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
I know what you mean. I'v been there.
我明白你的意思。 我深有体会。
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
I don't think you are right.
我认为你是不对的。