| 单词 | hard surface |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔OPEN〕Gulls carry shellfish into the air, then drop them onto hard surfaces to break them open. 海鸥把水中的贝类动物携至空中，然后把它们摔落在坚硬的表面上砸开。朗文写作活用〔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美国传统〔cyanide〕To treat (a metal surface) with cyanide to produce a hard surface.氰化：用氰化物处理（金属表面）使其表面坚硬美国传统〔maintenance〕The use of hard surfaces in the garden is intended to reduce maintenance.花园采用硬质地面意在减少养护费用。牛津搭配〔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〔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美国传统〔roller hockey〕Hockey played on a hard surface in which two opposing teams of roller skaters, using curved sticks, try to drive a ball into the opponents' goal.旱冰冰球运动：一种在坚硬地面上进行的曲棍球运动，两队旱冰溜冰队员企图用曲棍把球打入对方的球门美国传统〔roller skate〕A shoe or boot with two or four wheels or casters attached to its sole for skating on hard surfaces.旱冰鞋：一种用于在坚硬地面上滑行的鞋子或靴子，鞋底有两个或四个轮子或小脚轮美国传统〔streak〕Mineralogy The color of the fine powder produced when a mineral is rubbed against a hard surface. Used as a distinguishing characteristic.【矿物学】 矿物粉色：当矿物与硬表面相摩擦时产生细矿粉的颜色。作为其区分的特点美国传统〔surface〕Teeth have a hard surface layer called enamel.牙齿有一层叫做釉质的坚硬表层。牛津高阶〔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美国传统A lot of head injuries to children are caused by their falling onto hard surfaces (= top layers of the ground) in playgrounds.许多孩子头部受伤都是因为摔倒在操场的坚硬地面上。剑桥国际I've got a headache from listening to that pneumatic drill (Am and Aus also jackhammer) (= a powerful tool held in the hand which operates by air pressure and is used esp. for breaking hard surfaces, such as roads) going on outside all day.风钻在外面响了一整天，我听得头都疼了。剑桥国际Regular jogging on hard surfaces such as roads or pavements can be bad for your knees.经常在坚硬的表面比如公路或人行道上慢跑，对你的膝盖有害。剑桥国际 |
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