?precursor

precursor 發(fā)音

英：[pri?k??rs?r]　　美：[pri?k??s?(r)]

英：　　美：

precursor 中文意思翻譯

precursor 詞性/詞形變化，precursor變形

名詞復數形式:precursors

precursor 短語(yǔ)詞組

1、angiotonin precursor ─── [醫] 血管緊張素前質(zhì)

2、precursor RNA ─── 前體RNA

3、precursor complex ─── 前體復合物

4、precursor fragment ─── [醫]前體片斷

5、chloropicrin precursor ─── 氯化苦前體

6、lactic acid precursor ─── [醫] 乳酸先質(zhì)

7、precursor nuclide ─── [化] 前驅核素

8、precursor chain ─── 前身鏈

9、auxin precursor ─── 生長(cháng)素前體

10、Precursor (chemistry) ─── 前體（化學(xué)）

11、precursor ion ─── [化] 先驅離子

12、cartilaginous precursor ─── 前[胚胎]軟骨（組織）

13、precursor removal ─── 前體去除

14、hypertensin precursor ─── [醫] 血管緊張素原

15、catalyst precursor composition ─── [化] 催化劑母體成分

16、precursor compound ─── 原始化合物

17、Precursor mRNA ─── 前信使 RNA

18、lignin precursor ─── 木素原體

19、precursor cell ─── [醫]前體細胞

precursor 常用詞組

precursor chemicals ─── 易制毒化學(xué)品

precursor 相似詞語(yǔ)短語(yǔ)

1、precursed ─── n.預示，征兆；v.預示，征兆

2、precursors ─── n.前體細胞（precursor的復數）；先驅者（precursor的復數）

3、precurrer ─── 前輩

4、precensor ─── vt.事先審查

5、precursory ─── adj.前兆的（等于precursive）；先驅的

6、precurses ─── n.預示，征兆；v.預示，征兆

7、percursory ─── 感知的

8、precurse ─── n.預示，征兆；v.預示，征兆

9、precensors ─── vt.事先審查

precursor 常見(jiàn)例句（雙語(yǔ)使用場(chǎng)景）

1、The precursor or stem cell of a plasma cell. ─── 成漿細胞漿細胞的前體細胞或干細胞

2、An originator of a line of descent; a precursor. ─── 前輩家族血脈的開(kāi)始者;先驅。

3、The ADP report is often seen as a precursor to the Labor Department's big monthly jobs report due out Friday. ─── ADP就業(yè)報告被看做美國勞工部將于周五公布月度就業(yè)報告的預兆。

4、A carotenoid, it is a itamin A precursor, which the body conerts into itamin A. ─── 一種類(lèi)胡蘿卜素，是維生素A的前體，在體內可轉化成維生素A。

5、A precursor cell of a melanocyte or melanophore. ─── 成黑素細胞產(chǎn)生黑素細胞的母體細胞

6、You can use this sentence as a precursor to requesting help finding a restroom. . ─── 你可以使用這句話(huà)，要求別人幫你找到洗手間。

7、IEF analysis also suggested that the polypeptides of PI6.82 and PI8.58 derived from the same glutolin precursor. ─── IEF分析同時(shí)顯示2條多肽PI6。82和PI8。58源自同一條谷蛋白前驅體。

8、An originator of a line of descent;a precursor. ─── 前輩家族血脈的開(kāi)始者；先驅

9、N acetylcysteine(NAC), a precursor of glutathione, is a thiol antioxidant. ─── N-乙酰半胱氨酸 ( NAC)為谷胱甘肽的前體 ,是一種含有巰基的抗氧化劑。

10、In the development of nervouse system,many kinds of neurons and glial cells are differentiated from common precursor cells. ─── 在神經(jīng)系統發(fā)育過(guò)程中,多種神經(jīng)元及神經(jīng)膠質(zhì)細胞是由共同的前體細胞分化而來(lái)的。

11、His thoughts of saving country by education demonstrated the epochal and advanced character and served as the precursor of the thoughts in that era. ─── 他的開(kāi)民智、改革科舉教育、加強醫學(xué)教育和商業(yè)教育四個(gè)方面的主張,顯示出其教育救國思想的時(shí)代性、先進(jìn)性,以及在當時(shí)所做的思想先導性貢獻。

12、Left untreated, metabolic syndrome can lead to insulin resistance, a precursor of type 2 diabetes and heart disease. ─── 代謝綜合征不經(jīng)治療就會(huì )產(chǎn)生胰島素抵抗，此為2型糖尿病和心臟病的發(fā)病先兆。

13、It was found that the disp ersion of MgO was related to the precursor of MgO and had an important effect on the behavior of MgO /HZSM-5cata-lyst. ─── 發(fā)現前身物不同MgO在HZSM?5上的分散狀態(tài)也不同催化劑的活性和選擇性與MgO分散狀態(tài)密切相關(guān).

14、Therefore, the transformation of trade growth mode is viewed as precursor and key has inevitability and feasibility. ─── 因此，將貿易增長(cháng)方式的轉變視為先導和關(guān)鍵有著(zhù)必然性與可行性。

15、The precursor with 100% mesophase is more suitable for foaming. ─── 100%中間相含量的前驅體相對更適合發(fā)泡；

16、Methanol, ethanol and glycolic methyl ether as precursor solvent of boric acid. ─── 對上述體系中不同的先驅體及溶劑進(jìn)行交叉實(shí)驗。

17、It is an important precursor of several amino acids, and also acts as a source of the amino group in various metabolic reactions. ─── 它是許多氨基酸的重要前體，也是許多反應的氨基基團的來(lái)源。

18、But error is often the precursor of what is correct. ─── 但是錯誤常常是正確的先導。

19、An energetic middle life is, I think, the only safe precursor of a vitally happy old age. ─── 我認為,精力旺盛的中年生活是生氣勃勃的幸福晚年的唯一可靠預兆。

20、The precursor with 100%mesophase is more suitable for foaming. ─── 100%中間相含量的前驅體相對更適合發(fā)泡;

21、As a precursor to our December screenings, we are hosting a series of Chinese independent films at Club Obi Wan! ─── 一直在尋找更多的志愿者來(lái)幫助我們翻譯，放字幕，聚會(huì )場(chǎng)所的助手，更新網(wǎng)站，最重要的是-宣傳，宣傳，宣傳?。?！

22、Small cell lung cancer is neuroendocrine neoplasm and origins from APUD (amine precursor uptake decarboxylation)cell. ─── 小細胞肺癌是神經(jīng)內分泌腫瘤,起源于A(yíng)PUD(胺前體攝取脫羧化)細胞。

23、Leaf-feeding resistance to this insect is conditioned by increasing tissue concentrations of benzoxazolinones and their precursor hydroxamic acids. ─── 對這種害蟲(chóng)取食葉片的抗性決定于組織中苯并邅唑啉酮及其前體氧、肟酸濃度的增加。

24、An immature cell of the bone marrow that is the precursor of a myelocyte. ─── 成髓細胞，原始粒細胞骨髓的一種未成熟細胞，是髓細胞的前身

25、ARJ21 is seen as the precursor to a jumbo jet. ─── ARJ21型飛機被看作是大型噴氣式飛機的前身。

26、The precursor or latent form of a virus that is capable of being integrated into the genetic material of a host cell and being replicated with it. ─── 前病毒一種病毒的母體或潛在形式，能被并入寄主細胞的基因材料，與它一起被復制

27、They alter the way it cleaves amyloid precursor protein. ─── 它們改變了這個(gè)酶切割淀粉樣蛋白前體的方式。

28、The majority of mice were seen to have myeloid proliferative disease, a precursor to CML. ─── 大多數老鼠均有骨髓增生性疾病-慢性粒細胞性白血病的前期病變。

29、The precursor or stem cell of a plasmacell. ─── 成漿細胞漿細胞的前體細胞或干細胞。

30、"The precursor strategy will not work because earthquakes are too complicated and too infrequent" and "lack of rigour in Earth sciences". ─── “前兆戰略無(wú)法工作,因為地震太復雜和太罕見(jiàn)”以及“地球科學(xué)缺乏嚴格性”。

31、Exogenously supplied aspartate is not an active precursor of asparagine in plant tissurs. ─── 外來(lái)供給的天門(mén)冬氨酸，在植物組織中并不是一個(gè)活躍的天門(mén)冬酰胺前體。

32、Research on earthquake precursor wave may bring a breakthrough in the earthquake prediction and theoritical study in the future. ─── 摘要前驅波的研究，可能成為未來(lái)地震預測和理論研究的一個(gè)突破點(diǎn)。

33、Sichuan Art Junior College is the precursor of Sichuan Fine Arts College and Sichuan Academy of Music. ─── 四川省藝術(shù)專(zhuān)科學(xué)校是四川美術(shù)學(xué)院和四川音樂(lè )學(xué)院的前身。

34、Crazing is the invariable precursor of brittle fracture. ─── 出現小裂紋必然是脆性斷裂的前兆。

35、Precursor pyridyl anilines 2 were prepared by Suzuki coupling. ─── 前兆2吡啶備鈴木苯胺偶合.

36、Children born in the Year of the Dragon are the precursor to change through forgiveness. ─── 出生在龍年的孩子，是透過(guò)寬恕而改變的先驅。

37、The catalyst precursor con-sists of ML(Malachite-Like)and FC(Feitknecht compound)phases. ─── 它由分解類(lèi)孔雀石（ML）相和FC型化合物組成的母體而制得。

38、DHEA is a hormone produced mainly by the adrenal gland that acts as a precursor to testosterone and estrogen. ─── DHEA主要由腎上腺分泌，是睪丸酮及雌激素的前體。

39、We find also in the oldest martyrologies mention of a feast of the Conception of the Precursor on 24 September. ─── 我們也發(fā)現在最古老的殉教史中，慶祝這位先驅的節日是在九月24日。

40、The precursor strategy will not work because earthquakes are too complicated and too infrequent” and“ lack of rigour in Earth sciences”. ─── 前兆戰略無(wú)法工作，因為地震太復雜和太罕見(jiàn)”以及“地球科學(xué)缺乏嚴格性”。

41、Her precursor as school principal was an eminent educator. ─── 她任校長(cháng)前是一位卓越的教育家。

42、Diosgenin is the hydrolyzed material of dioscin and the precursor substance of several important endogenous steroids. ─── 摘要薯蕷皂甙元是薯蕷皂甙的水解產(chǎn)物，它是許多重要甾體激素的前體物質(zhì)。

43、L-arginine,a precursor to nitric oxide, has been proven to pport i a healthy cardiovac Mona lar system. ─── 左旋精氨酸是一氧化氮的先驅?zhuān)驯蛔C明能保護心血管系統。

44、His thoughts of saving country by education demonstrated the epochal and advanced character and served a the precursor of the thoughts in that era. ─── 他的開(kāi)民智、改革科舉教育、加強醫學(xué)教育和商業(yè)教育四個(gè)方面的主張，顯示出其教育救國思想的時(shí)代性、先進(jìn)性，以及在當時(shí)所做的思想先導性貢獻。

45、I ve learned to interpret the comment "so just how hard can it possibly be to design a useful XML format?" As a precursor to later difficulties. ─── 但我從實(shí)踐中了解到,“設計一種有用的XML格式能多么難呢?”通常是在以后陷入困境的前奏。

46、Error is often the precursor of what is correct, but conceit is the prelude to a fall. ─── 錯誤往往是正確的先導，驕傲是跌跤的前奏。

47、IEF analysis also suggested that the polypeptides of pI6.82 and pI8.58 derived from the same glutelin precursor. ─── IEF分析同時(shí)顯示2條多肽pI6.82和pI8.58源自同一條谷蛋白前驅體。

48、He said that the deal should not be seen as a precursor to a merger. ─── 他說(shuō)這次交易不應該被看作是合并的前兆。

49、DMAE is an immediate precursor of choline, an important component of skin cell membranes. ─── DMAE 是膽堿一個(gè)直接前體, 皮膚細胞膜一個(gè)重要組分。

50、Trilobal polycarbosilane(PCS) fibers were prepared by melt spinning PCS precursor through Y shaped spinnerret. ─── 以聚碳硅烷(PCS)為原料,經(jīng)不熔化和燒成制得三葉型碳化硅纖維。

51、A better separation process is needed to improve the reproducibility and quality of the mesophase pitch precursor. ─── 因此,需要有一種較好的分離工藝,以便能夠保證瀝青在分離過(guò)程中,分離后的瀝青組分再現性和瀝青中間前驅體的質(zhì)量。

52、But whether scientific cooperation can become a precursor for political collaboration is less evident. ─── 但是科學(xué)合作是否能成為政治合作的一個(gè)先兆，這并不明顯。

53、Exogenously supplied aspartate is not an active precursor of asparagine in plant tissues. ─── 外來(lái)供給的天門(mén)冬氨酸,在植物組織中并不是一個(gè)活躍的天門(mén)冬酰胺前體。

54、The higher dispersion of the Pt/ZrO 2 was got when 0.5% Gum arabic was contained in H 2PtCl 6 precursor. ─── 在所考察的體系中以含 0 .5%阿拉伯膠的H2 PtCl6 為前驅物獲得的Pt分散度最高 .

55、No individual may purchase any precursor chemicals in Category I or II. ─── 個(gè)人不得購買(mǎi)第一類(lèi)、第二類(lèi)易制毒化學(xué)品。

56、Major customers: Bank of China, the precursor medicine, Jinling Hotel. ─── 主要客戶(hù)：中國銀行、先聲藥業(yè)、金陵飯店。

57、Trilobal polycarbosilane(PCS) fibers were prepared by melt spinning PCS precursor through Y-shaped spinnerret. ─── 以聚碳硅烷（PCS）為原料，經(jīng)不熔化和燒成制得三葉型碳化硅纖維。

58、Thus it appears that any variability whatsoever in background seismicity can be claimed, after the fact, to have been a precursor. ─── 這樣看來(lái)，可以將背景地震活動(dòng)性中的任何變化，在地震發(fā)生之后，認為是一種前兆。

59、To be able to use their equipment, at least one team member must know how to adapt Precursor technologies. ─── 要使用先行者的裝備，至少要有一個(gè)隊伍成員知道如何適應先行者科技。

60、Most dolomite is obviously the result of replacement of precursor calcite but certainly not all. ─── 多數白云石顯然是原來(lái)方解石交代的結果，但肯定不是全部。

61、Athlerosclerosis is the main precursor to heart disease, one of the major causes of death in post-menopausal women. ─── 動(dòng)脈粥樣硬化是心臟病的前兆，后者是絕經(jīng)后婦女的主要死因之一。

62、The laboratory quantity of thiodiglycol, a mustard gas precursor, which we found at another site, has also been destroyed. ─── 我們在另一地點(diǎn)發(fā)現的、用于生產(chǎn)芥子氣的thiodiglycol物質(zhì)已經(jīng)被銷(xiāo)毀。

63、Calcium deposits in the coronary arteries are considered a precursor of future heart disease. "It's a very early marker of future risk," she said. ─── 冠狀動(dòng)脈鈣化沉積被視為將來(lái)心臟病發(fā)作的先兆之一?！斑@是一種預示未來(lái)心臟病發(fā)作風(fēng)險的早期表現?！彼f(shuō)。

64、The precursor strategy will not work because earthquakes are too complicated and too infrequent. ─── 前兆戰略無(wú)法工作，因為地震過(guò)于復雜、于罕見(jiàn)。

65、N-acetylcysteine,a precursor of glutathione in cells,is a thiol antioxidant. ─── 乙酰半胱氨酸是細胞內還原性谷胱甘肽的前體,是一種含有巰基的抗氧化劑。

66、According to all, medicine department university precursor in Anhui is southeast medical college in Shanghai. ─── 據悉，安徽醫科大學(xué)前身為上海東南醫學(xué)院。

67、The immediate transcript of a t RNA gene is known as precursor tRNA. ─── tRNA基因的直接轉錄物叫做tRNA前體。

68、Objective To investigate the feasibility of inducing adult human myoblasts into neural precursor cells in vitro. ─── 摘要目的探討成人成肌細胞在體外能否轉化為神經(jīng)前體細胞。

69、I mean it wasn't terrible, it was sort of a precursor to what people are trying to do It flopped miserably, but I'm glad we did it. ─── 其實(shí)也沒(méi)那么糟糕，它就是個(gè)先兆，預示了現今人們，很悲慘它失敗了，不過(guò)我很高興我們做過(guò)。

70、The H2O2 also is a precursor of the highly reactive hydroxyl radical, which participates in wood degradation. ─── H2O2也是具有高度反應活性的羥基游離基的前體,并參與降解過(guò)程。

71、This paper probes into the effects of process conditions on precursor fiber strength, elongation and chemical residual. ─── 摘要本文探討了工藝條件對粘膠原絲強度、伸長(cháng)及化學(xué)物殘留量的影響。

72、More than 50 years ago, France was a founding member of the six-country precursor to the current European Union. ─── 50多年前，法國是現在歐盟的6個(gè)先驅創(chuàng )始國之一。

73、This study provided a precursor of N-propionyl-D-mannosamine for the tumor-associated carbohydrate antigen. ─── 為腫瘤相關(guān)糖抗原提供了N-丙酰甘露糖胺前體。

74、A celestial event is oftentimes the precursor to the fulfillment of a prophecy from god about great change on the planet and for humanity in general. ─── 天上的事件時(shí)常是履行神的預言的先驅?zhuān)ǔＪ顷P(guān)于這顆行星（地球）和人類(lèi)總體上的偉大轉變。

75、The state practices the licensing system to the manufacture, trading and transportation of precursor chemicals. ─── 國家對易制毒化學(xué)品的生產(chǎn)、經(jīng)營(yíng)、購買(mǎi)、運輸實(shí)行許可制度。

76、Error is often the precursor of what is correct. ─── 錯誤常常是正確的先導。

77、One side believes that the ancient Egyptians, Greeks, and Romans played a precursor to tennis. ─── 一種說(shuō)法是關(guān)于網(wǎng)球的起源，古埃及，希臘和羅馬是網(wǎng)球的發(fā)源地。

78、Geochemical study has demonstrated that bitumen exhibits similar composition of organic precursor with crude oil. ─── 地球化學(xué)研究表明，瀝青和原油有相似的生源組成。

79、Thus, the elements would be interconvertible, so this idea was a precursor to alchemy. ─── 從而，元素是可以互相轉化的，這樣的思想是煉金術(shù)的先驅。

80、The longer a particular radioactive precursor lives, the longer xenon formation from it is held off. ─── 如果某種放射性母核存活得越久，其生成氙的時(shí)間也就延得越晚。

81、The Mississippi scheme was a precursor of modern attempts to reflate the economy with unorthodox monetary policies. ─── 密西西比計劃可以說(shuō)是當代試圖通過(guò)非正規貨幣政策使得經(jīng)濟在膨脹的鼻祖。

82、CIG precursor film is composed of Cu11In9 matrix phase. Ga exists mainly in solid solution by substituting In. ─── CIG前驅膜是以Cu11In9為基礎相,Ga原子主要是以替代In原子的固溶體形式存在。

83、G.oxydans SCB329 and B. thuringiensis SCB933 were two main strains for producing 2 KLG, the precursor of Vitamin C with mixed fermentation. ─── 摘要氧化葡萄糖酸桿菌SCB329和蘇云金芽孢桿菌SCB933是混合發(fā)酵產(chǎn)生維生素C前體2-KLG兩株主要菌種。

84、The quality of carbon fiber is directly influenced by the quality of PAN precursor. ─── 摘要碳纖維的品質(zhì)在很大程度上取決于原絲。

85、Impatience is often a precursor to self-punishment, so stop way before the red light hits. ─── 焦躁通常是自我懲罰的前兆，因此，你得趕快在紅燈亮起之前停下來(lái)。

86、We talked about the artificial hip, which is a modern precursor of the splint I talked about before. ─── 我們說(shuō)到的人造髖關(guān)節就是我之前講過(guò)的夾板的現代前身。

87、The first ribin us a precursor of spring. ─── 頭一只知更鳥(niǎo)是春天的先兆。

88、The precursor of any of various blood factors necessary for coagulation. ─── 前凝血劑血液凝結所必須的凝血因子的凝血酶原

89、The trails show that decreasing appropriately the strength of precursor fiber can effect its flexible index distinctly. ─── 實(shí)驗表明，適當降低原絲的強度對其柔性指標有顯著(zhù)的影響。