拥挤的英文

例句：

Congestion frequently reduces traffic to walking pace.

交通阻塞经常把车流的速度降低得如步行一般缓慢。

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

交通堵塞问题不会很快消失。

Traffic congestion is really bad at peak periods.

交通拥挤状况在高峰时段真是糟糕透了。