Active constituent
[化] 活性组分
🧩 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
This is she.
我就是。
I invited him ti come down, but he wouldn't.
我请他下来，但是他不肯。
Yes. Go along this road, and take the first turning on the left, and the second turning on the right.
有。沿这条路往前走，然后在第一个拐角处向左转，接着在第二个拐角处向右转。