这种宽大的轮胎有很深的胎面花纹。The fat, broad tyres had a good depth of tread.粗糙的道路很快就把汽车轮胎的胎面花纹磨掉.These rough roads soon wear the tread of motor tyres off.新式轮胎的胎面带有排水的花纹.Modern tires have been developed with tread design for draining....