I got stuck in the mother of all traffic jams.

我被困在最严重的一次大塞车之中。

People are fed up with all these traffic jams.

人们厌烦这么多的交通堵塞。

Stationary cars in traffic jams cause a great deal of pollution.

交通堵塞中停止不前的车辆造成大量污染。

There is a new device for cars that warns drivers of traffic jams ahead.

有一种新的汽车装置可提醒司机前面有交通堵塞。

In some cities this morning, there were traffic jams up to 40 miles long.

今晨在某些城市，出现了最长40英里的交通堵塞。