a spare wheel for a four-wheeled vehicle
informal somebody or something superfluous, unnecessary, or burdensome
a coupling between the tractor and trailer of an articulated lorry
| 单词 | fifth wheel |
| 释义 | fifth wheelnouna spare wheel for a four-wheeled vehicle informal somebody or something superfluous, unnecessary, or burdensome a coupling between the tractor and trailer of an articulated lorry |
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