1.
Dangerous and difficult roads made it hard to travel in the region. The transport of goods and the delivery of mail had to depend on human and animal power.
旧西藏交通险阻，行路艰辛，贷物运输、邮件传递全靠人背畜驮。
2.
The traffic will get less congested soon .
交通阻塞会迅速疏通。
3.
The police are warning of possible delays.
警方通知交通可能受阻.
4.
Keep the traffic flowing.
保持交通畅通无阻.
5.
The traffic will let up in a few minutes .
交通阻塞公迅速疏通。
6.
Traffic was locked up at the intersection.
在十字路囗交通被阻塞。
7.
The traffic gets snarled up very often in a city.
在城市，交通经常阻塞。
8.
I was delayed by the traffic.
因交通阻塞, 我迟到了.
9.
The traffic had been tied up for three hours.
交通阻塞已有三个小时。
10.
Traffic was interrupted by a dense fog.
交通因浓雾而受阻。
11.
The traffic was tied up by the accident.
交通因意外事故而受阻。
12.
motorists hung up in traffic.
受阻于交通的摩托车手
13.
Traffic was interrupted by a snow storm.
交通被暴风雪阻断。
14.
Get back, don't block the traffic.
往后退，不要阻塞交通。
15.
We must allow plenty of time to get to the railway station-we can' t gamble on the road being clear.
我们应当留有充裕的时间到火车站去――没法保险路上交通一定畅通无阻。
16.
clogged pipes; clogged up freeways; streets choked with traffic.
阻塞的管子；阻塞的高速公路；道路交通阻塞。
17.
had to outwait the traffic jam.
只好等到交通阻塞被疏通后
18.
The police are warning (motorists) of possible delays.
警方通知（驾驶汽车的人）交通可能受阻.