Forepump

前置真空泵, 预抽真空泵

🗣️ 情景例句

Yup.
是的。
I wish I could.
不行。
Some really keen enthusiasts go so far as to build their own computers.
有些热衷于自己动手的人甚至自己组装电脑。
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🔤 更多 F 开头的单词

faced with
family Scutigeridae
Felton's serum
fingermarks
fire-storm
flutings
forced-draught cooling tower
four-minute man
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