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
and then we'll figure out what to do today.
然后我们再决定今天做些什么。
I'm very pressed for cash at the moment, can I pay you next week?
我现在手头有点紧，再周再付给你行吗？
The great racing driver, Sir Malcolm Campbell, was the first man to drive at over 300 miles per hour.
杰出的赛车选手马尔科姆。坎贝尔爵士是第一个以每小时超过300英里的速度驾车的人。