Diffusion (vacuum)pump
[化] 扩散泵; 扩散真空泵
🧩 词语组成解析
🗣️ 情景例句
It's a big decision for me, Bill.
对我来说这是个大决定， Bill。
Until the end of the week.
借到周末。
'I am a foreigner,' I said.
“我是个外国人，”我说。