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
if he spends less on the cultural programs.
假如他在这文化活动上减少开支的话。
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
However, when I was going out shopping last week, I noticed him in the garden near the gate.
然而上星期我正要出去买东西时，发现它正呆在花园里边靠门的地方。