1704945050
motorboat 汽(机动)船
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1704945052
a motor-car 汽车
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1704945054
engine指汽车、飞机等的发动机:
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1704945056
He couldn’t get his engine started.他没能把发动机开动起来。
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1704945058
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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1704945067
579 mad—insane—crazy—mentally ill
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1704945069
mad表示“疯癫的”:
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1704945071
She went mad after the death of her son.她儿子死后她疯了。
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1704945073
Van Gogh had periods during which he was completely mad.梵·高有几段时间完全疯了。
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有时表示“生气的”、“气得要命的”:
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1704945077
What is Henry so mad about?亨利为什么那么生气?
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1704945079
be mad about表示“特别(非常)喜欢”:
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1704945081
I‘m mad about tennis.我非常喜欢打网球。
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Some girls are mad about going to dances.有些姑娘特别喜欢参加舞会。
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1704945085
insane也表示“疯癫的”、“神经错乱的”:
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Insane people are kept in asylums.疯人都关在疯人院。
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The psychiatrists declared the killer insane.精神病学家宣布杀手是疯子。
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When people are insane, they are put in mental hospital to be cured.人神经错乱时,被送到精神病院治疗。
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这个词还可表示“发疯的”:
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It’s completely insane to fly in this weather.这样天气出去飞行简直是发疯。
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an insane attempt 发疯的企图
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an insane action 发疯的举动
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