vehicle是什么意思(transportation与vehicle的区别)

transportation是交通的意思，而vehicle则是车辆的意思，区别可以从以下例子看出：

The transportation is getting orse, as more and more vehicles on the road, e are so concerned about the air pollution. 交通越来越差，路上的车辆越来越多，我们很担心空气污染。