1·There was heavy traffic on the roads.
路上的交通很拥挤。
—— 《柯林斯英汉双解大词典》
2·There is heavy traffic in the downtown area tonight.
今夜闹市区交通繁忙。
—— 《牛津词典》
3·Rocco drove one mile in heavy traffic.
罗科在交通拥挤的情况下开了一英里。
4·They were late because of the heavy traffic.
因为交通拥挤，他们迟到了。
5·In recent years many cities are faced with the problem of heavy traffic.
近年来，许多城市都面临着交通拥挤的问题。
6·That bridge is too weak for heavy traffic.
那座桥不太牢固，承受不住过多的车辆。
—— 《牛津词典》
7·My father usually goes to work early to avoid heavy traffic.
为了避免交通拥挤，我父亲通常很早就去上班。
8·Flying robots can carry mails to people's houses without having to deal with heavy traffic.
飞行机器人可以把邮件送到人们的家里，且不用处理繁忙的交通。
9·Since yellow is the most eye-catching color, it can catch people's attention, especially in heavy traffic.
由于黄色是最引人注目的颜色，所以尤其在交通拥堵的时候，黄色能吸引人们的注意力。
10·People now in many big cities have to set out early to avoid the heavy traffic in the morning.
现在许多大城市的人们不得不早早地出发以避开早晨的交通拥挤。