Precipitators
沉淀器; 滤尘器; 促成者(precipitator的复数)
🗣️ 情景例句
He didn't want to borrow any money.
他不想借钱。
Did you send it to him yourself?
你自己亲自送给他吗？
No, I haven't. Why? Have you?
没有，我没有。怎么啦？你有吗？