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
- Is the precursor of DHA to promote brain development and enhance memory.
的前体,促进脑力发育和增强记忆力。 - Provisions on the type, scope, measures and methods for the administration of narcotic drugs, psychotropic drugs and precursor chemicals;
三是规定了麻醉药品、精神药品和易制毒化学品管制的种类、范围、措施和办法。 - 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。 - 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。 - 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。 - Based on studies of precursor events and unusual animal behavior, a warning was issued by local authorities.
当地政府根据震前先兆与动物的反常行为,发出了地震预警。 - It is a precursor of many aromatic compounds and of alkaloids such as curare and morphine.
苯丙氨酸是苯化合物以及像箭毒和吗啡等生物碱的前体。 - 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。 - Papain-catalyzed synthesis of aspartame precursor z-apm in biphasic solvent system wasinvestigated.
本文报道在两相溶剂体系中利用木瓜蛋白酶催化合成aspartame前体z-apm的研究。 - 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。