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
Good morning, Ellen.
早安， Ellen。
He gave her his word that he would never be late again.
他向她保证，绝不再迟到。
Then he gets out of the lift and climbs up to the fifteenth floor on foot.
接着他走出电梯并徒步登上第15层。