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  1. pump

    • IPA[pəmp]

    美式

    • n.
      a mechanical device using suction or pressure to raise or move liquids, compress gases, or force air into inflatable objects such as tires;an instance of moving something by or as if by a pump
    • v.
      force (liquid, gas, etc.) to move by or as if by means of a pump;move in spurts as though driven by a pump
    • verb: pump, 3rd person present: pumps, gerund or present participle: pumping, past tense: pumped, past participle: pumped

    • noun: pump, plural noun: pumps

    • 釋義
    • 片語

    名詞

    • 1. a mechanical device using suction or pressure to raise or move liquids, compress gases, or force air into inflatable objects such as tires a gas pump
    • an instance of moving something by or as if by a pump the pump of blood to her heart
    • 2. an active transport mechanism in living cells by which specific ions are moved through the cell membrane against a concentration gradient the bacterium's sodium pump
    • 3. US a pump-action shotgun the shotgun was a 12-gauge pump

    動詞