Activated sludge
[化] 活性污泥\\n[医] 活性污泥
🧩 词语组成解析
activated
['æktiveitid]
adj. 有活性的;
v. 使活动，起动，触发( activate的过去式和过去分词 );
n. 软泥, 泥泞\\n[化] 沉淀物; 泥状沉淀
🗣️ 情景例句
Oh, I don't know.
噢，这个我就不知道啦。
Which one is more expensive?
哪一个是比较贵的？
then administrative overheads will be low.
行政管理费用就会降低。