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Traffic was held up for a few hours.

交通中断了几小时。

《新英汉大辞典》

The only bridge over the channel separating Burland from the mainland is congested, and trucks typically spend hours in traffic.

海峡上唯一连接伯兰和大陆的桥梁拥堵不堪，卡车通常要在路上堵上几个小时。

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Dr.Brook says just one to two hours of breathing automobile exhaust in traffic can be deadly.

VOA: standard.2010.08.04

Sure, we work for money, we drive our cars in gridlocked traffic for hours, and we endure crushing amounts of intricate and numbing detail to execute contracts.

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The FAA says even though it limits the number of takeoff and landing slots at Newark, the airport is still scheduled at peak traffic most hours, so if a backlog develops, there's no lull in which to catch up.

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It is hoped the move would help boost the local economy by allowing traffic outside shopping hours.

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