Cascade aerator
[化] 阶式曝气装置
🧩 词语组成解析
[化] 曝气器; 曝气装置\\n[医] 曝气池; 充气器, 灌气器
🗣️ 情景例句
They live from hand to mouth.
他们过着糊口的生活。
He's known me for over ten years.
他认识我超过10年的时间了。
Good afternoon! I've come to return your pan. Thank you very much for lending it to me.
下午好！我来还你锅。非常感谢你能把锅借给我。