备用

1. 夜里在乡村小路上，他的车子两个轮胎漏气了，又没有备用轮胎，他肯定难办死了。
   He had two flat tires and no spare on a country road, which was certainly a pretty kettle of fish.
2. 每张床的尾端放有备用毛毯。
   Spare blankets lay at the foot of each bed.
3. 你的汽车上有备用车轮吗？
   Do you carry a spare wheel in your car?
4. 我的车胎扎破了，备用的也瘪了！
   I've got a puncture and my spare is flat too!

备的英语翻译：

用的英语翻译：