词典释义：
vehicles moving on a public highway
往来于公路上的车辆；交通
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a stream of heavy traffic .川流不息的车辆。
a large number of such vehicles
车流
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we were caught in traffic on the motorway .我们被困在高速公路上的滚滚车流中了。
the movement of other forms of transport or of pedestrians
非公路交通；行人往来
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Europe's air traffic .欧洲空中交通。
the transportation of goods or passengers
货物运输；旅客运送
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the increased use of railways for goods traffic .货运铁路使用量的增加。
the messages or signals transmitted through a communications system
通信
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data traffic between remote workstations .偏远工作站之间的数据通信。
the action of dealing or trading in something illegal
非法交易，非法买卖
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the traffic in stolen cattle .赃牛贩卖。
〈古〉 （人与人之间的）来往，联系。
deal or trade in something illegal
非法交易
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the government will vigorously pursue individuals who traffic in drugs .政府将不遗余力地追捕毒贩。
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heavy traffic 拥挤的交通
真题例句：
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traffic jam 交通堵塞
真题例句：
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traffic flow 车流
真题例句：
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traffic signals 交通信号灯
真题例句：
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traffic rules 交通规则
真题例句：
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traffic restrictions 交通管制
真题例句：
"early 16th cent. （denoting commercial transportation of merchandise or passengers）： from French
