| 单词 | 钻岩 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔compress〕The miners used rock drills and compressed air to drive through hard rock.矿工使用钻岩机和压缩空气来凿穿坚硬的岩石。朗文当代〔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 |
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