There is growing support for the theory that migration took place much earlier, by sea, following a coastal route along Alaska and down the northwest coast.

越来越多的人支持这样一种理论，即移民发生得要早得多，是沿着阿拉斯加沿海路线，沿西北海岸而下通过海路进行的。

youdao

On a chain-link fence along Route 39 hangs a homemade poster, peppered with hearts, thanking firefighters and police.

39号公路沿线的铁丝网上挂着一张人们自制的海报，上面布满了心形图案，以感谢消防员和警察。

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No clear information about the source of the Nigerian outbreak is presently available, but the country is known to lie along a flight route for birds migrating from central Asia.

目前尚无关于尼日利亚疫情暴发源头的明确信息，但是已知该国位于鸟类从中亚迁徙的飞行路线。

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The company was told to take the mail along a four-thousand-kilometer southern route through Arkansas,Texas,New Mexico and Arizona.

VOA: special.2009.05.28

Paul's Cathedral along a route lined by servicemen and women from the army, Royal Navy and Royal Air Force.

CNN: UK lawmakers pay tribute to former PM Margaret Thatcher

The baton will then make its journey from Delhi - which was the host of the 2010 Games - along a route detailed in the map above.

BBC: Scotland

Early Saturday morning in the hills of Puerto Rico, local chefs along a route known as the Pork Highway gathered their marinated, 150lb swines, skewered them nose to toes and hoisted them over spits for eight hours of slow roasting.

BBC: Puerto Rico��s Pork Highway