jack-hammer
英：[d'ʒækh'æmər] 美： [d'ʒækh'æmər]
jack-hammer 基本解释
释义气锤；
英英释义
jack-hammer
n.a hammer driven by compressed air同义词：air hammerjackhammerpneumatic hammer
jack-hammer 相关例句
权威例句
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