Active hydrogen
[机] 活性氢
🧩 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
Everything will fall into place.
事情该怎样，就会怎样。
Doctors and lawyers are professional people.
医生和律师是专业人员。
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？