Diffusion (vacuum)pump
[化] 扩散泵; 扩散真空泵
🧩 词语组成解析
🗣️ 情景例句
Goodbye, thank you very much for coming.
再见，感谢您能光临。
By no means.
决不。
Then put these clothes in the wardrobe.
然后把这些衣服放进衣橱里去。