Active hydrogen atom
[化] 活性氢原子
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
🗣️ 情景例句
I made a lunch date with him and his daughter weeks ago.
几星期前我约好和他以及他女儿共进午餐。
I have to hang up now.
我现在不得不挂电话了。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。