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 wouldn't be surprised if your son goes to harvard.
我觉得你儿子很有希望上哈佛。
There have been many ups and downs in our marriage, but we still love each other.
我们的婚姻有很多坎坷，但我们依旧相爱。
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。