The rate of melting is not uniform, and a number of glaciers in the Karakoram Range on the western edge of the plateau are actually advancing.
不过，冰川也不是清一色地都在消融，实际上，在青藏高原西部边界的喀拉昆仑山脉，那里的冰川覆盖面积正在增长。
Through a telescope we watched the unfolding drama of a puffin on a ledge, peering over the edge, thinking better of it, retreating, advancing, retreating.
我们通过一架望远镜观察了停留在岩架上的一只海鹦：它在张望，思索，忽进忽退。
Through a telescope we watched the unfolding drama of a puffin on a ledge, peering over the edge, thinking better of it, retreating, advancing, retreating.
我们通过一架望远镜观察了停留在岩架上的一只海鹦：它在张望，思索，忽进忽退。
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