| 单词 | 凿岩 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔jackhammer〕A hand-held machine for drilling rock and breaking up pavement, operated by compressed air.手提钻，轻型凿岩机：通过压缩空气运转的钻岩石、挖隧道的手持机器美国传统〔machine〕A system or device for doing work, as an automobile or a jackhammer, together with its power source and auxiliary equipment.机械系统：用来工作的系统或装置，如汽车或手持式凿岩机，包括其动力源和辅助设备美国传统〔mole〕A machine that bores through hard surfaces, used especially for tunneling through rock.凿岩机：一种钻孔于坚硬表面的机器，尤用作凿穿岩石的隧道美国传统 |
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