bio-pump

常見(jiàn)例句

• A tyre expands when you pump air into it.
  輪胎一打氣就鼓起來(lái)。
• Lashing velocity of pump is concerned with nature of air.
  泵的抽氣速率與氣體的性質(zhì)有關(guān)。
• This tire is flat; you didn't pump enough air in.
  這個(gè)輪胎沒(méi)氣了;你并沒(méi)打足氣。
• We have a pump for drawing water from the well.
  我們用一個(gè)水泵從井里抽水。
• The heart is analogous to a pump.
  心臟和水泵有相似之處。
• Can you lend me your bicycle pump?
  能把你的打氣筒借給我嗎？
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