tyre barrier造句

例句与造句

1. a tyre barrier has to be at least as high as the boundary wall behind it ( at least one metre ) and must consist of between two and six rows of tyres
   轮胎墙必须得和它后面的分界墙高度一致（至少一米）或者更高，而且由两到六排的轮胎组成。
2. It's difficult to find tyre barrier in a sentence. 用tyre barrier造句挺难的