?virulent

virulent發(fā)音

英：[?v?r?l?nt]　　美：[?v?rj?l?nt, ?v?r?-]

英：　　美：

virulent中文意思翻譯

adj.有毒的, 有惡意的, 充滿(mǎn)敵意的

virulent詞形變化

名詞: virulence | 副詞: virulently |

virulent同義詞

malicious | contagious | blistering | deadly | infectious | vitriolic | poisonous | spiteful | harsh | active | caustic | bitter | fierce | hostile | vituperative | sulfurous | acrid | acerb | cutting | potent | strong | acid | powerful | dangerous | sulphurous | lethal | acerbic | acidulous | venomous

virulent反義詞

avirulent

virulent常見(jiàn)例句

1 、The white plastic bag has the flavor which irritates the nose, installs the apple with this kind of bag, the pear, the pork can be virulent?───您的位置：我也知道>生活>生活常識>白色的塑料袋有一股刺鼻的味道,用這種袋子裝蘋(píng)果,梨,豬肉會(huì )不會(huì )有毒?

2 、The feminine considered not as a sex, but as the form transversal to every sex, as well as to every power, as the secret, virulent form of in-sexuality.───女性作為性沒(méi)考慮，但是作為到性橫過(guò)的形式，象每到權力一樣，當秘密，在里面性被惡毒只是一種形式。

3 、The virulent nationalism and brutality of the First World War served to confirm Einstein's pacifist and internationalist convictions.───德國的那種極端的民族主義和殘酷的第一次世界大戰堅定了愛(ài)因斯坦要成為一個(gè)和平主義者和國際主義者的堅強信念。

4 、Virulent position from anti-US Shiite cleric Muqtada al-Sadr and from other Shiite leaders close to Iran had threaten to derail the new pact.───充滿(mǎn)仇恨的反美葉什派教徒和其他親近伊朗的大葉什派**發(fā)出威脅要使新協(xié)議難產(chǎn)。撒東說(shuō)道美國離開(kāi)了伊拉克但是沒(méi)有離開(kāi)任何一個(gè)基地。

5 、Like their walker cousins, the spore bats draw ingredients from the environment and combine them to form virulent toxins used in subduing the spore bats' prey.───和孢子行者同類(lèi)一樣，孢子蝙蝠從環(huán)境取得原料并結合它們成為致命的劇毒來(lái)制服孢子蝙蝠的獵物。

6 、Group of groups of two people attracted numerous person to join, support and antagonistic person colors are vivid, virulent ultra one's words is not scarce also.───兩人的群組都吸引了為數眾多的人加入，支持與反對的人旗幟鮮明，充滿(mǎn)敵意的過(guò)激言辭也不少見(jiàn)。

7 、But some symptoms are serious, and brings the burden to the heart cold to be very possible is the virulent myocarditis's preliminary symptom.───但一些癥狀嚴重且給心臟帶來(lái)負擔的感冒很可能就是病毒性心肌炎的前期癥狀。

8 、These are cadets, trainees, and you've invited them into a hotbed of virulent infection.─── 他們是學(xué)員 受訓者 可你們邀請他們進(jìn)入了一個(gè)致命感染源的溫床

9 、Widely used in the industries of petroleum and chemicals etc.,with all flow components made of nonmetal materials to make it an optimal choice to handle strong acidic,alaline,oxidable,inflammable,explosive,virulent and precious liquids.───廣泛應用于石油、化工等行業(yè)，所有過(guò)流部件都是由非金屬材料制造是輸送強酸、強堿、強氧化性、易燃、易爆、劇毒、貴重液體的最理想泵。

10 、And our greatest plague, the most virulent enemy was the repulsive red leech.─── 而我們最大的災禍 最兇惡的敵人就是令人厭惡的紅水蛭

11 、Thus, by adding high antigenic virulent factors to the inactivated Av. paragallinarum vaccines would improve the efficiency of the vaccines now used.───以高抗原性的毒力因子或再將其添加于非活化疫苗中，可提高疫苗的免疫效果。

12 、Now experts fear a virulent fungus could decimate the few thousand frogs they estimate survive.───如今，專(zhuān)家們擔心有一種惡性真菌可能會(huì )毀滅被他們認為存活的幾千只山雞蛙。

13 、The shedder, whoever he is, is so virulent, he must have been symptomatic.─── 無(wú)論傳播者是誰(shuí) 他都應該極具毒性 會(huì )伴隨有一些癥狀

14 、His virulent opposition to Zionism reassured the radicals.───他以惡毒的語(yǔ)言反對猶太復國主義，這使激進(jìn)分子放心。

15 、Regions of the universe with large positive vacuum energy experience expansions so virulent that a supernova explosion would seem peaceful in comparison.───具有大的正真空能量的宇宙區域，所經(jīng)歷的激烈膨脹，使超新星爆發(fā)在相較之下顯得相當溫和。

16 、However, between two isolated strong virulent strains, there was a low homogeneity of 88.2% in nucleotide, and there was a high homogeneity of 93.9% in amino acid residue.───兩分離株核苷酸序列同源性較低,為88.2%,但氨基酸序列同源性較高,為93.9%。

17 、In late March, a cluster of SARS cases broke out among residents living in apartments7 and8 in Block E of Amoy Gardens, the first time the epidemic struck in the community, and the world's most virulent outbreak to date.───三月底，（港）大花園的7號，8號公寓里的居民中爆發(fā)了一連串SARS病例，這是這個(gè)傳染病第一次在這個(gè)社區爆發(fā)，也是至今為止世界上最?lèi)盒砸淮伪l(fā)。

18 、The results of biological characterizations demonstrated that 13 isolates of virus are high virulent Newcastle disease viruses.───13株病毒的生物學(xué)特性測定實(shí)驗結果證明該13株病毒均為新城疫病毒強毒株。

19 、Regarded simply as an attack on the Government, his speech was virulent to a degree. He laid about him right and left; there was hardly a single member of the Gabinet who didn't receive one or two shrewd blows.───他的講話(huà)十分刻毒，人們認為這簡(jiǎn)直是在攻擊政府。他多方攻擊，幾乎沒(méi)有一個(gè)內閣成員免遭到他的嚴詞抨擊。

20 、The second wave of swine flu may be worse.I do not know.But I do know that, if the virus mutates to a more virulent form, the immunisation may in any case not work.We are in the run-up to an election.───我不知道流感的第二波會(huì )不會(huì )更加兇猛，但是我知道如果病毒發(fā)生了變種，導致病毒毒性增強的話(huà)，那么現在這個(gè)疫苗也許是怎么也不管用了。

21 、The aether of glycol kind also be a kind of virulent dissolvent, by strict taboo.───乙二醇的醚類(lèi)也是一類(lèi)劇毒的溶劑，被嚴格禁止使用。

22 、Wilson's difficulties at Paris were compounded by virulent opposition to his peace program in United States.───威爾遜在巴黎遇到的困難，由于國內惡性反對他的和平綱領(lǐng)，變得復雜起來(lái)。

23 、A virulent new strain of salmonella, DT104, has been created in part through the food industry's feeding antibiotics to chickens and livestock.───一個(gè)沙門(mén)氏菌，DT104的惡性的新負擔，已經(jīng)被部分透過(guò)食品工業(yè)喂抗菌素給雞和家畜建立。

24 、If economies stall and unemployment starts rising across the world, irritation with its perceived failings as a trading partner could easily escalate into virulent anger.───如果全球經(jīng)濟停滯、失業(yè)率上升，對這位貿易伙伴的所謂“過(guò)錯”的惱怒，很可能會(huì )升級為滿(mǎn)腔怒火。

25 、According to WHO experts, there are currently no signs that the H1N1 virus has mutated to a more virulent or lethal form.───WHO的專(zhuān)家指出，當前沒(méi)有跡象表明H1N1病毒已經(jīng)變異成毒性更強更致命的形式。

26 、Twenty-six strains of virulent Escherichia coli were isolated during epidemiological survey of colibacillosis in ducks in Zhejiang and the characteristics of the disease were studied.───對浙江等地鴨大腸桿菌病流行病學(xué)進(jìn)行調查，并研究其發(fā)病特點(diǎn)。

27 、But she would like to start a conversation about why the United States seems particularly vulnerable to such a virulent strain of anti-intellectualism.───但她想要展開(kāi)一段對話(huà)，討論美國為何似乎特別容易感染反智傳統的有毒菌株。

28 、A very virulent HK46 strain of infectious bursal disease virus(IBDV)was isolated from chicken bursa and the genomic RNA for virus was extracted.───從法氏囊組織分離IBDV超強毒株HK46并提取基因組RNA。

29 、On infecting a host cell, bacteriophages known as lytic or virulent phages release replicated viral particles by lysing (bursting) the host cell.───在噬菌體侵染宿主細胞時(shí)，這種裂解型噬體或毒性噬體會(huì )藉由裂解（迸裂）宿主細胞而釋放出復制的濾過(guò)**毒粒子。

30 、Poinsettia, entire individual plant has virulent, juice of bine, leaf can stimulate the skin, eat the risk that has toxic death by accident.───一品紅，整株有劇毒，莖、葉汁液會(huì )刺激皮膚，誤食有中毒死亡之危險。

31 、Use of stronger live IBD vaccines are probably justified for this highly virulent form.───使用毒力強些的IBD活苗也許可以應對這種高致病型的IBD。

32 、The isolate V20 was more virulent on third instar of Bemisia tabaci when compared to other isolates.───V20菌株比其他菌株對三齡若蟲(chóng)的致病力高。

33 、They are furious that protests in other countries are marring the occasion and have flooded their Internet bulletin boards with virulent anti foreign sentiment.───他們對在其他國家的示威行動(dòng)壞其好事而憤怒, 在網(wǎng)路論壇上如潮的貼滿(mǎn)了敵意的反外情緒。

34 、The isolates virulent H4,H2,Y3 were positive by the use of IBD strips or AGP.───分離強毒H4、H2、Y3試紙及瓊擴對照均為**。 法氏囊樣品測定結果顯示.

35 、I stood up for her despite the virulent criticism.───盡管她遭到惡毒的批評，我還是維護她。

36 、Everything in my investigation points to a virulent pathogen.─── 所有調查線(xiàn)索都指向一種致命病原體

37 、Under the same condition, the order of virulent germs is“ bark-rot” germ,“ blister” germ and“ big spot” germ respectively.───在同一條件下，3種病原菌的致病強弱依次為楊樹(shù)爛皮型潰瘍病病原菌、樹(shù)水泡型潰瘍病病原菌、樹(shù)大斑型潰瘍病病原菌。

38 、Chickens were challenged with 30 LD50 NDV virulent strains at 35 day-old.───35d齡則用30LD50的NDV強毒進(jìn)行攻毒保護試驗。

39 、This year's variety has been particularly virulent: the emotional stuff offends not so much for its mushiness but for its rank insincerity.───今年流行的廢話(huà)就特別惡毒：光是煽情也就罷了，不會(huì )讓人過(guò)分反感，問(wèn)題是它虛假得厲害！

40 、The artificial infection experiment showed that 80 percent of strains (8/10) were highly virulent and the disease was easily reproduced by subcutaneous, intramuscular or webfoot injection.───人工感染試驗表明，80%（8/10）菌株毒力強，皮下、肌肉、足蹼3種途徑均易復制該??；

41 、They are a virulent poison, giving the numbing illusion of moral sanction to every depravity ever hatched.───它們是劇毒的毒藥，使得道德約束力對于每一種，哪怕尚 未成形的惡習都形同虛設。

42 、But, because phosgene is virulent, strong caustic chemical, make MDI development got restrict, but very great progress already was obtained since abroad is not phosgene law craft 25 years.───但是,由于光氣是劇毒、強腐蝕性的化學(xué)品,使MDI發(fā)展受到了限制,但國外非光氣法工藝25年以來(lái)已取得了很大進(jìn)展。

43 、As descendants of intermarriages between European settlers and Indian people in the 1870s, the Metis Nation of Manitoba, Canada, has faced virulent discrimination from both whites and Indians.───為子孫通婚歐洲定居者和印第安人的1870,混血民族馬尼托巴,加拿大面對惡毒的歧視,無(wú)論是白人和印度人.

44 、virulent criticism.See Synonyms at poisonous───惡毒的批評參見(jiàn)

45 、All these people were killed by some kind of extremely virulent bioagent.─── 所有這些人都是被某種 極端致命的生化制劑所殺

46 、Manage not to be pooh-poohed to dangerous article, like the knife, cut, virulent medicaments by person filch, yi Kefa gives birth to accident.───對危險物品管理不善，如刀、剪、劇毒藥物被人竊取，亦可發(fā)生意外事件。

47 、But very few have coincided with the outbreak of a virulent disease.─── 但是極少數與致命疾病的 爆發(fā)有關(guān)

48 、Health experts are worried that a new, more virulent strain may be to blame.───衛生專(zhuān)家考慮這歸咎于一種毒力更強的新菌種。

49 、They worked in the virulent sun.───他們在烈日下勞作。

50 、The most virulent opposition to reform came from Republican House members who were obsessed with cracking down on illegals and building a 700-mile (1,125km) fence along the border with Mexico.───反對改革最強烈的呼聲來(lái)自于眾議院的共和黨人，他們在打擊非法移民及在美國沿墨西哥邊境修筑一道700英里（1125公里）防護欄始問(wèn)題上終持強硬態(tài)度。

51 、FS-15A also undergone about 20kb deletion in large plasmid, no invasive gene deletion was found in FS-15A and Fs-15V. Ipa ABCD was expressed on the surfaces of FS-15A and FS-15V. FS-15A was avirulent, while FS-15V was virulent.───FS-15A與FS-15V侵襲基因完整,但Tn5**入位點(diǎn)的不同可能是它們毒力表型不同的原因。

52 、Then the doctor discovered that he was suffering from a virulent form of typhoid, the ravages of which took away his senses for a time and left him very weak.───后來(lái)醫生發(fā)見(jiàn)他害的是惡性傷寒癥，厲害的時(shí)侯曾經(jīng)使他暫時(shí)失去知覺(jué)，弄得他非常虛弱。

53 、The strain is so virulent that it can resist at least half of the six main second-generation tuberculosis drugs, leaving patients "virtually untreatable," the WHO warns.───世界衛生組織警告，這類(lèi)變種非常棘手，因為它可以抵抗六種主要第二代結核病藥物中的至少一半，它對患者而言幾近“實(shí)質(zhì)上不可治療”。

54 、Animal experiment showed that it was virulent to mice.───動(dòng)物試驗結果表明，該菌對小白鼠有致病力。

55 、virulent nationalism/hatred/criticism───不共戴天的民族主義/仇恨；惡意的批評

56 、make a virulent attack on the press───惡意抨擊新聞界

57 、The most virulent pathogens are on biocontainment level 4.─── 最致命的病原體樣本在4級生物防護實(shí)驗室

58 、a noxious disease; a virulent disease───惡疾

59 、Applies virulent or when the radiochemistry goods pays attention protects oneself .───應用有毒或放射性化學(xué)物品時(shí)注意保護自己。

60 、Long-period Virulent Test of Curcumin───姜黃素長(cháng)期毒性試驗

61 、So their guildmaster, the elvish shaman Savra, doesn't mind letting loose virulent plagues.───公會(huì )頭領(lǐng)、地精撒滿(mǎn)莎弗拉嚴格按照這種哲學(xué)行事, 比如隨意散布致命的瘟疫。

62 、A cure for MRSA appears to be within grasp after scientists claimed to have developed a drug that destroys the most virulent strains of the deadly superbug.───一種新的對付MRSA（一種對抗生素有極強抗藥性的金黃葡萄狀球菌，是醫院內主要的感染源）的方法即將成功?？茖W(xué)家宣稱(chēng)已經(jīng)研發(fā)了一種新的藥物可以摧毀這種致命的超級細菌。

63 、She is very virulent about her former employer.───她對她過(guò)去的老板恨之入骨。

64 、To make(bacteria or viruses) less virulent.───使病毒減弱減弱（細菌或真菌）的毒性

65 、It's an especially virulent strain caused by a mutated variola virus.─── 根據驗尸官的報告 是一種特殊的強毒株 是一種突變的天花病毒引起的

66 、It woke in some men a virulent hatred of a black skin.───在某些人身上這類(lèi)事會(huì )引起他們對黑皮膚的人的刻骨仇恨。

67 、We just need a more virulent strain.─── 我們只需要更多的毒性菌株

68 、Both these are virulent phages, meaning that whenever a phage particle attacks a bacterial cell that cell is inevitably killed.───它們都是烈性噬菌體，也就是說(shuō)這種病毒顆粒一旦侵襲細胞，細胞就必然死亡。

69 、Virulent TB in South Africa May Imperil Millions───南非致命結核病可能會(huì )危及數百萬(wàn)人

70 、We hope that it will not mutate into a more virulent virus.───我們希望不會(huì )有異變而成為新的致命病毒。

71 、Some virulent strains of PVX cause rugosity go the leaves even crinkling, called PVX crinkle.───PVX的有些強毒株系引起葉子的粗縮甚至皺縮,叫做PVX皺縮。

72 、The more virulent bacteria causing the acute bacterial form of infective endocarditis can lead to serious destruction, as shown here in the aortic valve.───如圖所示，大多數的有毒的細菌導致的是急性細菌性心內膜炎而引起主動(dòng)脈瓣較為嚴重的病變。

73 、He has also attracted unfavourable attention for his virulent attacks on Israel, especially during its war in Gaza, and for his budding friendships with Iran and Sudan.───他對以色列惡毒的攻擊也引發(fā)了反對的聲音，特別是以色列在加沙交戰的時(shí)候，還有他與伊朗和蘇丹開(kāi)始發(fā)展友好關(guān)系。

74 、I was a precocious actress in her eyes; she sincerely looked on me as a compound of virulent passions, mean spirit, and dangerous duplicity .───在她眼里我是個(gè)早熟的演員，她打心底里認為，我是個(gè)本性惡毒、魂卑劣、人陰險的貨色。

75 、In Belgium and the Netherlands, a virulent new strain of avian flu was wiping out entire chicken farms.───在比利時(shí)和荷蘭,一種新的惡性的禽流感病毒株系席卷了所有的養雞場(chǎng)。

76 、Pustulant tumors that become infested with maggots deform their faces, forcing teeth from their jaws.The devils eventually starve, but not before passing on the virulent cancer.───在膿胞腫瘤出現大量的蛆寄生后，袋獾的面部會(huì )嚴重畸形，使下顎的牙齒突出、無(wú)法咬合，染病的袋獾會(huì )先把致命腫瘤傳染給其他個(gè)體，最后才挨餓而死。

77 、not virulent; unable to produce disease.───不能致病的；不能引起疾病的。

78 、Still, this particularly virulent and infectious strain of the flu virus is thought to have killed as many as 40 million people around the world between 1918 and 1919.───即便如此，這株毒性特強、傳染性甚高的流感病毒于1918~1919年肆虐全球，據信造成4000萬(wàn)人死亡。

79 、Group 3 is the most virulent one and may infect all ofdifferential hosts,including high resistant cultivars as Youbian 30 andKexi 8.391 SMV isolates were collected from Liaoning,Jiling and Heilong-jiang provinces of Northeast China.───3號株系群則對7個(gè)鑒別品種包括高抗品種誘變30及科系8號均能發(fā)病。

80 、By the end of 1990, the total area of fenced grassland had reached 183,000 hectares, while 161,000 hectares were under irrigation. Rats, pests and virulent plants have been kept under control over 1.187 million hectares of grassland.───到1990年底，全區草場(chǎng)圍欄面積達18.3萬(wàn)公頃，草場(chǎng)灌溉面積16.1萬(wàn)公頃，滅鼠、滅蟲(chóng)、滅毒草面積118.7萬(wàn)公頃。

81 、Total 12 birds from of 5 flocks were positive of virulent MDV, 29.41% of the flocks and 24% of the birds in the positive flocks were positive.───另對17群未進(jìn)行MD免疫的肉雞進(jìn)行隨機抽樣檢測，其中5個(gè)雞群檢測出馬立克氏病病毒強毒，**率為29.41%(5/17)，**群的平均檢出率為24%。

82 、Virus writers have adapted to new technology as it has emerged and the most virulent programs use the net to find new victims and cause havoc.───只要新技術(shù)一出現，病毒編寫(xiě)者們就可以編寫(xiě)出適應新技術(shù)的計算機病毒，而且最?lèi)憾镜某绦蛲ㄟ^(guò)網(wǎng)絡(luò )來(lái)尋找新的犧牲品，肆意搞破壞。

83 、We're talking about an extremely virulent pathogen.─── 我們面對的是一種極為致命的病原體

84 、Use virulent chemical potassium cyanide, he is set left acridity pit, coax son and wife early or late take poison.───利用劇毒的化學(xué)品氰化鉀，他設下了狠毒的陷阱，誘騙兒子和妻子先后服毒。

85 、a particularly virulent form of racism───不共戴天的種族主義表現.

86 、They are furious that protests in other countries are marring the occasion and have flooded their Internet bulletin boards with virulent antiforeign sentiment.───其它國家發(fā)生的抗議行為對奧運會(huì )造成了損害，對此中國人感到十分憤怒，排外的過(guò)激言論充斥了網(wǎng)上論壇。

87 、It is also more virulent because the inoculum required for Septicum to cause an infection is ~300 times lower in mice compared with Perfringens.───小鼠實(shí)驗證實(shí)梭狀芽孢桿菌比產(chǎn)氣莢膜桿菌的毒性更強，因為前者造成感染的接種量?jì)H為后者的約1/300。

88 、Some bacterial cells can swim, morph into new forms and even become dangerously virulent - all without initial involvement of DNA.───一些細菌細胞能夠游動(dòng)、變形，甚至變得劇毒。這一切都與DNA無(wú)關(guān)。

89 、Regarded simply as an attack on the Government, his speech was virulent to a degree.───他的講話(huà)十分刻毒，人們認為這簡(jiǎn)直是在攻擊政府。

90 、Although S.sobrinus was less frequently detected in human oral cavities than S.mutans, it has been described as more virulent than S.mutans due to its high acidogenicity and acid tolerance.───與變異鏈球菌相比較,表兄鏈球菌的產(chǎn)酸性和耐酸性更強,與高度齲活性的關(guān)系更為密切,日益引起學(xué)者們的重視。

am is are的用法？

Are是“be動(dòng)詞”的一種，可以用來(lái)表示“是”的意思。因此，“Is are”可以用來(lái)表示“是”的意思，就像“is”一樣。例如：

Q: Is it raining outside?

A: Yes, it is are.

am is are的用法？

is,am,are三者區別主要體現在用法上：

is在第三人稱(chēng)單數后面使用，例如:he/she/it+is; am在第一人稱(chēng)后面使用，例如，I+am; are用于復數，例如，you+are、we+are、they+ are。is,am,are三者都是be動(dòng)詞的一般現在時(shí)態(tài)，意思為”是”。

is的用法：

第三人稱(chēng)單數+is,如he(男)+is; she(女)+is; it(不是人)+is。

例句：She is very virulent about her former employer.她對她過(guò)去的.老板恨之入骨.

am的用法：

第一人稱(chēng)I+am。| am還可縮寫(xiě)成I'm。但是am與not不能縮寫(xiě)。

例句：With respect to your other proposals,I am not yet able to tell you our decision.談到你的其他建議，我現在還無(wú)法把我們的決定告訴你.

are的用法：

復數名詞+are如第二人稱(chēng)you+are; - -人稱(chēng)復數we+are;三人稱(chēng)復數they+ are.

例句：We are taught to construe these terms in a particular way.我們被教導要以特定的方式理解這些詞語(yǔ)。

am/is/are都是be動(dòng)詞的一般現在時(shí)態(tài)，意思為“是”，三者區別主要體現在使用的情況不同。

一、當主語(yǔ)為人稱(chēng)代詞

1、am：主語(yǔ)為第一人稱(chēng)

例句：I am a student.（我是一名學(xué)生。）

2、are：主語(yǔ)為第二人稱(chēng)

例句：They are my parents.（他們是我的父母。）

3、is：主語(yǔ)為第三人稱(chēng)

例句：He is an English boy.（他是一個(gè)英國男孩。）

二、當主語(yǔ)為名詞

1、are：主語(yǔ)為復數名詞

例句：These pens are hers.（這些筆是她的。）

2、is：主語(yǔ)為單數或不可數名詞

例句：The pen is mine.（這支筆是我的。）

三：be動(dòng)詞其他形式

一、一般過(guò)去時(shí)：

第一人稱(chēng)單數和第三人稱(chēng)的單數形式，則用was。

第一人稱(chēng)復數和第二人稱(chēng)復數、第三人稱(chēng)的復數，則用were。

第二人稱(chēng)單數也用were。

二、一般將來(lái)時(shí)

will be：will在一般情況下相當于be going to,表示將要做什么，兩者之間有細微差別will更口語(yǔ)化點(diǎn),be going to表示有可能馬上要著(zhù)手去做的事情。