| 单词 | 坚硬表面 |
| 释义 | 〔pick〕A tool for breaking hard surfaces, consisting of a curved bar sharpened at both ends and fitted to a long handle.镐，鹤嘴锄：破坏坚硬表面的工具，由两端有弯曲锋利的尖和用来固定尖的长把组成〔grind〕To crush, pulverize, or reduce to powder by friction, especially by rubbing between two hard surfaces:碾碎：压碎，挤碎或通过摩擦使其变成粉末，尤指在两个坚硬表面磨碎：〔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〔torpedo〕A small firework consisting of some gravel wrapped in tissue paper with a percussion cap that explodes when thrown against a hard surface.掼炮：一种由草纸包住一些砾石制成的小型鞭炮，其打火帽在与坚硬表面撞击时发生爆炸〔clack〕To make an abrupt, sharp sound, as in the collision of two hard surfaces.噼啪作响：发出短促、尖锐的声音，如两个坚硬表面碰撞时的声音〔crust〕A hard, crisp covering or surface:坚硬表面：硬的、脆的外皮或外壳： |
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