precursor
英 [priˈkɜːsə(r)]
美 [priˈkɜːrsər]
n. 先驱; 先锋; 前身
复数:precursors
Collins.1 / BNC.10361 / COCA.9664
牛津词典
noun
- 先驱;先锋;前身
a person or thing that comes before sb/sth similar and that leads to or influences its development
柯林斯词典
- N-COUNT 先驱;先锋;前身
Aprecursorof something is a similar thing that happened or existed before it, often something which led to the existence or development of that thing.- Real tennis, an ancient precursor of the modern game, originated in the eleventh century...
室内网球,现代网球运动的古老前身,起源于11世纪。 - He said that the deal should not be seen as a precursor to a merger.
他说该笔交易不应该被看作是合并的前兆。
- Real tennis, an ancient precursor of the modern game, originated in the eleventh century...
英英释义
noun
- something that precedes and indicates the approach of something or someone
- a person who goes before or announces the coming of another
- a substance from which another substance is formed (especially by a metabolic reaction)
双语例句
- Calcium deposits in the coronary arteries are considered a precursor of future heart disease.
冠状动脉中的钙沉积是导致人们将来患上心脏病的先兆症状。 - Cyanide can serve as precursor for the amide nitrogen of asparagine.
氰化物可以作一个天门冬酰胺的酰胺氮前体。 - An amino acid found in most proteins; a precursor of several hormones.
多数蛋白质中的氨基酸,是许多激素的前体。 - They alter the way it cleaves amyloid precursor protein.
它们改变了这个酶切割淀粉样蛋白前体的方式。 - Comparing the ratio of testosterone to epitestosterone can then indicate whether testosterone or a precursor has been taken.
因此测定睾酮与表睾酮的比例,能够反映出(运动员)是否服用了睾酮或者它的前体药物。 - The sol-gel coating was prepared with cellulosic fabrics and synthetic fabrics as carriers and TEOS as precursor.
以纤维素织物和合成纤维织物为载体,以硅酸乙酯(TEOS)为水解前驱体,对织物载体进行溶胶凝胶涂层整理。 - The effects of orthophosphoric acid concentration in precursor preparation on the catalyst behavior have been studied.
考察了前驱体制备过程中磷酸含量对催化剂性能的影响。 - IDOL can even mediate the degradation of the receptor precursor in the endoplasmic reticulum.
甚至,IDOL能调解内质网中受体前体的降解。 - Objective To study the effect of gypenosides on proliferation of neural precursor cells in vitro.
目的探讨不同浓度绞股蓝皂苷对体外培养的神经前体细胞增殖能力的影响。 - This prediction was based on a number of geophysical observations of precursor events as well as abnormal animal behavior.
除了对地震前兆的地球物理现象观察,这次地震的准确预测还要多亏对动物异常活动的观察。