These come handy if the car breaks down during cold nights on highways or if one needs to change the flat tire.
寒冷的夜里，当车在公路上抛锚或需要换车胎时，这些东西用得着。
2
But you know what one of the doctors noticed is that when you put the tire patch down, he doesn't have to sew anymore, and he can get out a surgery 30 minutes faster.
但是有个医生却发现，使用这个东西，他就不用再缝针了，而且他还能提前30分钟完成手术。
3
Then, bending his ear down over the nearest gourd, which was as high as his gut and wider than a truck tire, he gave it a solid smack and listened intently, like a doctor with a stethoscope.