Vanishing ice--The McCall glacier in Alaska's Arctic National Wildlife Refuge has undergone accelerating ice loss in recent decades.
消失的冰——最近几十年来，位于阿拉斯加州极地国家野生动物避难区的麦考尔冰川正在加速融化。
And the vanishing ice has begun to allow a trickle of shipping across the Arctic's generally frozen north-west and North-East passages, thus linking the Atlantic and Pacific oceans.
消失的冰面也开始允许船只缓慢通过通常封冻的北极西北和东北通道，从而连接了大西洋和太平洋。
Yet the rate the ice is vanishing confounds these climatologists' models.
然而海冰消失的速率使这些气象学家建立的气候模型陷入混乱。
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