《jack-hammer》怎以读
英 [d'ʒækh'æmər]
美 [d'ʒækh'æmər]
《jack-hammer》是什么意思
气锤;
英英释义
jack-hammer
- n.a hammer driven by compressed air
同义词:air hammerjackhammerpneumatic hammer
学习《jack-hammer》怎么用
权威例句
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