jack·ham·mer
noun/ˈdʒækhæmə(r)/
/ˈdʒækhæmər/
(North American English) (British English pneumatic drill)
- a large powerful tool, worked by air pressure, used especially for breaking up road surfaces
风钻；气动凿岩机
| 单词 | jackhammer |
| 释义 | jack·ham·mernoun/ˈdʒækhæmə(r)/ /ˈdʒækhæmər/ (North American English) (British English pneumatic drill)
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