precursors
/pri:'kɜ:səz/
📖 中文释义
- n. 先驱( precursor的复数形式 ); 先行者; 先兆; 初期形式
🔗 释义中的汉语词
🧩 词形变化
原形 precursor
📘 English Definition（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. something that precedes and indicates the approach of something or someone