Diffusion (vacuum)pump
[化] 扩散泵; 扩散真空泵
🧩 词语组成解析
🗣️ 情景例句
Look here! I've had enough of that!
嘿，我已经受够了。
After breakfast,I'll get ready go to work.
在早餐以后，我将准备好去工作。
Opportunity knocks but once.
机不可失，时不再来。