Focus on: the evaluation of Alaska sled dogs, highlighted the need to consider is that this is a drag in the polar sled dog and goods.

重点：在评判阿拉斯加雪橇犬时，需要着重考虑的是这是一种在极地拖曳雪橇和货物的狗。

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In the nature of Arctic travel there was a reason why fourteen dogs should not drag one sled, and that was that one sled could not carry the food for fourteen dogs.

根据北极旅行特征，之所以不用十四条狗来拉一辆雪橇，是因为一辆雪橇装不下十四条狗的狗食。

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First, in order to turn you have to lean over to drag a hand, right or left, while grabbing hold of the sled on the opposite side.

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