| 释义 |
取代qǔdài
1.排除别人或别的事物而占有其位置{replace; substitute; supersede; take over; take the place of; supplant}:
用机器～手工生产。{use machine production to replace manual production}
2.化学上指有机物分子里的某些原子或原子团通过化学反应被其他原子或原子团所代替。{displacement; substitution; process of chemical reaction in which certain atoms or radicals are replaced by other atoms or radicals} |