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
Ellen reminds me so much of Grandma. Ellen
真让我想起奶奶。
Someone is working in the manhole.
有人在
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，