词族 · mutagen
词形变化
英语词源
- mutagen (n.)
- 1946, from mutation + -gen "thing that produces." Related: Mutagenic; mutagenesis; mutagenize.
权威例句
- 1. A mutagen is very often used to accelerate this process.
- 为了提高变异的速度,常使用诱变剂来实现.