大学英语词汇短语释义解析及例句 electrophilic addition


释义：

electrophilic addition [有化] 亲电加成

例句：


Halogen atom could activate the triple bond and as the directing group, the triple bond occurs the electrophilic addition reaction.

卤原子作为保护基，代替末端炔发生碳-氢官能团化反应。