precursor是什么意思

2024-02-01 19:58:16

precursor

美[priːkɜːrsər] 英[priːkɜːsə(r)]

n. 先驱；前任；前兆；[生物]前体，前驱体

近义词：ancestor，antecedent，forerunner，predecessor，herald，pioneer，original，originator，parent，sign，foundation，leader，foretaste，harbinger，

Noun

a substance from which another substance is formed (especially by a metabolic reaction)
a person who goes before or announces the coming of another
something that precedes and indicates the approach of something or someone

用作名词(n.)

The precursor of the modern car was a horseless carriage with a petrol engine.现代汽车的前身是不用马拉的，装有汽油发动机的车子。
Her precursor as school principal was an eminent educator.她任校长前是一位卓越的教育家。
Opposition by colonists to unfair taxation by the British was a precursor of the Revolution.殖民地居民对英国不公正税收的反抗预示着革命的到来。
Lysine is a precursor of certain alkaloids.赖氨酸是某些生物碱的前体。