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
That's wonderful, Harry.
那太棒了， Harry。
Give in!
认输吧！
At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable,
当时，这艘轮船不仅是造船史上建造的最大的一艘船，而且也被认为是不会沉没的。