Active agent
[化] 活性剂
🧩 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'll believe it when I see it.
我觉得还是眼见为实。
I think it's going to be a nice day.
我想今天会是一个好天。
The tree has grown against a warm wall on a sheltered side of the house.
那棵树是靠着房子有遮挡的一面暖墙生长的。