对于鲑鱼来说这可以使河水足够冷并且常年不冻。
That makes streams cool enough for trout and keeps the rivers flowing.
布地柯博士认为，北冰洋不冻才是“正常”情况。
Dr. Budyko argues that at ice-free Arctic Ocean is the "normal" situation.
布地柯博士认为，北冰洋不冻才是“正常”情况。
Dr. Budyko argues that at ice -free arctic ocean is the "normal" situation.
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