单词:precursor
[化] 前体; 前身; 产物母体
n. a person who goes before or announces the coming of another
考试类型:[托福/GRE]
precursor的用法和样例:
例句
- 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。
词汇搭配
- cartilaginous precursor前软骨
- precursor fault初始断层
- vitamin precursor维生素原
- precursor cell前体细胞
- precursor relation前身关系
- specific precursor特异性前体
- precursor substance产物母体,先质,前身...
- enzyme precursor酶的前体
- milk precursor乳前体物
- angiotonin precursor[医] 血管紧张素前...
- earthquake precursor地震先兆现象...
- precursor chain前身链
经典引文
Infantile fears..are the precursors of many..anxieties entertained by adults
出自:E. H. EriksonThere is no evidence that Jesus, or his precursor John, taught pacifism as such.
出自:A. N. Wilson
- ancestor祖宗
- antecedent前情
- forerunner先驱
- predecessor祖先
- herald使者
- pioneer先锋
- original原始的
- originator创始人
- parent父母
- sign手势
- foundation根基
- leader领袖
- foretaste预示
- harbinger先驱
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