菜篮子兴趣思朗文词典

jack-hammer

J 开头单词

柯林斯词典

    jackhammer /ˈdʒækˌhæmə/ (jackhammers)

  • 1. N-COUNT A jackhammer is a large hammer, powered by compressed air, that is used for breaking up rocks and other hard material. 手提鑽

    Outside a jackhammer was pounding away at a particularly stubborn piece of concrete. 在外頭，一個手提鑽正在猛打一塊特別堅硬的混凝土塊。

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