英语词汇fifth wheel怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	fifth wheel
释义	fifth wheeln. 1 an extra wheel of a coach (四轮大马车的)备用轮 2 a superfluous person or thing 多余的人(或物) 3 a horizontal turntable over the front axle of a carriage as an extra support to prevent its tipping (马车的)转向轮；(半拖车的)支座轮
随便看	periodontology period piece perioperative periosteal periosteum periostitis peripatetic peripatetically peripateticism peripeteia peripheral peripherality peripherally peripheral nervous system periphery periphrasis periphrastic periphrastically peripteral periscope periscopic periscopically periscopic lens perish perishability

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