| 释义 |
precursor/priˈkɜ:sə/n. 1a a forerunner 先驱 b a person who precedes in office etc. 前辈；前任 2 a harbinger 先兆 3 a substance from which another is formed by decay or chemical reaction etc. (由于腐烂及化学反应等而从中产生变化的)产物母体 [Latin praecursor from praecurrere praecurs- (as PRAE-, currere ‘run’)] |