created sense approved 备胎/備胎 · bèitāi · backup person
备胎 / 備胎
bèitāi
backup person
(slang) a fallback guy or girl in a romantic context; a backup romantic interest
他一直暗恋她，却发现自己只是个备胎。
created sense approved 备胎/備胎 · bèitāi · spare tire
备胎 / 備胎
bèitāi
spare tire
a spare tire for a motor vehicle kept for emergencies
我的汽车后备箱里放着一个备胎。
noun