Spare wheel
01
备用轮胎, 备胎
an additional wheel carried in a vehicle, typically used as a replacement in case of a flat tire
例子
He always keeps a spare wheel in the trunk of his car in case of emergencies.
他总是在汽车的后备箱里放一个备用轮胎以防紧急情况。
The spare wheel was slightly deflated, but it got them home safely after a puncture.
备用轮胎有点漏气，但在爆胎后它还是安全地把他们送回了家。
