Precipitators
沉淀器; 滤尘器; 促成者(precipitator的复数)
🗣️ 情景例句
He's on the phone.
他在电话上。
I'd appreciate it if you would turn out the lights.I'm sleepy.
如果你关灯我将感激你的.我困了。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.
想一想他们所感受到的惊奇和兴奋 —— 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 —— 发动机完好无损。