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
Yes, I know that.
是的 ，我知道。
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
He's picking the apples on that tree. He's putting them in a basket.
他在摘那棵树上的苹果。他正在把苹果放进一只篮子里。