precursor
/.pri:'kә:sә/
托福词汇GRE词汇基础词汇
词频: #9,664中文释义
n. 先驱者, 前导, 前兆
[化] 前体; 前身; 产物母体
英文释义
n. a substance from which another substance is formed (especially by a metabolic reaction)
n. a person who goes before or announces the coming of another
n. 先驱者, 前导, 前兆
[化] 前体; 前身; 产物母体
n. a substance from which another substance is formed (especially by a metabolic reaction)
n. a person who goes before or announces the coming of another