Active nitrogen
[化] 活性氮
🧩 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 don't think this is my meal.
我想这不是我点的。
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。