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单词 kingbolt
释义

kingbolt

noun

king·​bolt ˈkiŋ-ˌbōlt How to pronounce kingbolt (audio)
: a vertical bolt by which the forward axle and wheels of a vehicle or the trucks of a railroad car are connected with the other parts

Word History

First Known Use

1839, in the meaning defined above

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更新时间:2024/11/11 7:47:03