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a sewing machine 缝纫机
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a washing-machine 洗衣机
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office machines 办公室机器(包括电脑等)
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answering machine 电话回应机
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motor是机器的一种,称为马达或电动机(把电能转变为动能的机器):
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This sewing machine is driven by an electric motor.这台缝纫机由马达开动。
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可用作定语,表示“机动的”、“汽车的”:
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a motor mower 电动除草机
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the motor industry 汽车工业
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the motor trade 汽车贸易
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motor racing 汽车赛
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可构成合成词:
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motor-vehicles 机动车辆
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a motor-bike (motorcycle) 摩托车
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motorboat 汽(机动)船
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a motor-car 汽车
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engine指汽车、飞机等的发动机:
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He couldn’t get his engine started.他没能把发动机开动起来。
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An electric spark ignites the petrol in a car engine.电火点燃汽车发动机中的汽油。
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machinery是机器的总称,为不可数名词:
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How much new machinery has been installed?安装了多少新机器?
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I saw no big machinery at that factory.在那家工厂我没看见多少大机器。
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579 mad—insane—crazy—mentally ill
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mad表示“疯癫的”:
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She went mad after the death of her son.她儿子死后她疯了。
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