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名词
n. 引擎,发动机
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a piece of machinery which drives a machine
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a gasoline engine
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汽油机
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a jet engine
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喷气发动机
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a steam engine
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蒸汽机
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名词
n. 机车,火车头
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locomotive; part of the train that pulls the rest
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The engine pulled a long line of freight cars.
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这台机车拉了一长列货车。
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The engine roared past.
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机车呼啸而过。
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a fire engine
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救火车
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