Active sludge
[化] 活性污泥
🧩 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;
n. 软泥, 泥泞\\n[化] 沉淀物; 泥状沉淀
🗣️ 情景例句
I can't drive, I've never driven in my life.
我不会开车，我这辈子都没开过车。
Experience is a school from which one can never graduate.
经验无止境。
Liu Fang is not here.
刘芳没有到。