这些名词均有“交通”之意。
communication : 指邮电、无线电、铁路、公路等各种交通方式或媒介。
- Its commercial success as a city is partly due to its excellent rail and road communications.
这座城市在商业上的成功部分要归功于其高效便捷的铁路和公路交通。 - The new airport will improve communications between the islands.
新机场将改善岛屿间的交通联系。 - Snow has prevented communication with the outside world for three days.
大雪使得与外界的通信联系中断了三天。 - communication systems/links/technology
通信系统 / 线路 / 技术
traffic : 指来往的东西的情况，表示一种抽象概念的交通流动量。
- There was heavy/a lot of traffic on the roads this morning.
今天早晨道路上车流量很大。 - We got stuck in traffic for several hours.
我们碰上交通阻塞被堵了好几个小时。 - New measures have been introduced to try and ease traffic congestion in the city.
这个城市已经采取了新措施，试图缓解交通拥堵。 - Five people were injured in a traffic accident (= one involving vehicles).
有5人在交通事故中受伤。 - I heard about the accident on the traffic report on the radio this morning.
我在今早电台的交通节目中听到了这起事故。 - Air traffic has increased 30 percent in the last decade.
在过去的10年里，空中交通量增加了30%。
transportation : 指将乘客或货物从一处运到另一处，也可指交通运输工具。
- the safe transportation of used nuclear fuel
核燃料的安全运输 - In the past, British convicts could be sentenced to transportation (to Australia).
过去，英国的犯人可被判处流放（至澳大利亚）。 - Bicycles are a cheap and efficient form/means of transportation.
自行车是一种便宜而高效的交通工具。
