| 释义 |
DEFINITIVE EXAMPLES 权威例句〔free radical〕An atom or group of atoms having at least one unpaired electron, which makes it highly reactive.自由基:至少有一个未配对的电子(这使它具有高度的反应性)的原子或原子团美国传统〔free radical〕An organic compound in which some of the valence electrons are unpaired, occurring as a normal byproduct of oxidation reactions in metabolism.自由基化合物:其中有一些价电子未配对的一种有机化合物,作为新陈代谢中氧化反应的正常副产物而存在美国传统 |