spare tyre meaning in English

备用轮胎

I will have to exercise to get rid of my spare tyre .
我得运动运动以减少腰部的脂肪。
If water rights trade is allowed existence , water transferred to the north can only become " the spare tyre "
假如允许水权交易的存在，北调之水只能成为“备用轮胎” 。
Leather seat , gasoline ( unlead engine ) , 4 speed automatic transmission , china specification , air conditioner , amfm radio & cassette , 6 cd changer , dual & side air bag , 16 " 6 - hole alloy wheel , sun roof , leather seat , windshield deicer , head lamp cleaner , wide inner mirror , seat heater , deluxe package ( including sport pedal set , sport scuff plate , privacy glass , sport steering wheel , sport suspension ) , abs , remote key , 1 set of tools & spare tyre , front left & right power seats
,皮座,汽油(无铅汽油发动机) ,四挡自动变速, 16 "六孔铝合金铃,中国标准规格,空调, amfm收音机及磁带机,六碟cd音向系统,双气囊及侧面气囊式辅助保护系统,合金铃,天窗,真皮座椅,车头玻璃溶雪装置,车头灯清洗装置,广角后视镜,前排电热座,豪华型配套(包括:跑车型金属踏板,车门框金属装饰衬板,感光玻璃,跑车型单色设计方向盘,跑车悬架) , abs ,遥控,工具及士啤呔,前左右电动座椅