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
Hi. I'd like to cash an American Express traveler's check.
嗨，我想兑换美国运通的旅行支票。
Better say nothing than nothing to the purpose.
与其说话不中肯，不如一言不发好。
They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools.
他们不得不侧着身子往前走，有时过浅溪，有时游过深潭。