当我们来到法国阿登地区时，路变得越来越难走，上坡的路变得更长也更陡了。

The terrain became increasingly tough as we approached the Ardennes region in France, the climbs becoming longer and steeper.

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道路越来越难走，他们的力气也越来越小了，但他们仍然鼓着劲往前走着。

Increasingly difficult to walk the road, their efforts are also getting smaller and smaller, but they are still a strong drum walked forward.

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