擁擠的英文

例句：

Congestion frequently reduces traffic to walking pace.

交通阻塞經常把車流的速度降低得如步行一般緩慢。

The problems of traffic congestion will not disappear in a hurry.

交通堵塞問題不會很快消失。

Traffic congestion is really bad at peak periods.

交通擁擠狀況在高峯時段真是糟糕透了。