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他换掉了坏阀门。用英语怎么说？

他换掉了坏阀门。

He replaced a dud valve.

相关词汇
he replaced dud valve

he

pron. 他，它，一个人；n. 雄性动物；

replaced

v. 取代( replace的过去式和过去分词 )，更换，把…放回原位，（用…）替换；

dud

n. [军]哑弹，无用的人或物，衣服，个人物品；adj. 无用的，不完善的；

valve

n. 阀，真空管，（管乐器的）活栓，（心脏的）瓣膜；vt. 装阀于，以活门调节；
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他坐在那儿，听我陈述解雇他的理由。
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Nothing to be got without pains but poverty.
一份耕耘，一份收获。
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该法令迫使工会推迟罢工。
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他放低了声音，在门口环视了一下。