没有人非常了解为什么冰架这么迅速的融化，也没人知道格林兰冰架上的一个覆盖6平方千米的融水湖会在24小时内流干——这在2006确实发生了。
No one quite knows why glaciers and ice shelves are melting so fast, or how a meltwater lake on the Greenland ice sheet covering six square kilometres could drain away in 24 hours, as it did in 2006.
受访者来自美国宾夕法尼亚州格林斯堡西顿希尔综合学院莱克伊利湖大学正骨疗法医学马克A.w.安德鲁斯，生理学主任教授。
Mark A. W. Andrews, director and professor of physiology at Lake Erie College of Osteopathic Medicine at Seton Hill University in Greensburg, Pa., replies
一位徒步旅行者在蒙大拿州国家冰河公园的格林奈尔冰川的小径上俯瞰壮观的格林奈尔湖美景。
A hiker takes in a spectacular view of Grinnell Lake on the trail to the Grinnell Glacier in Montana's Glacier National Park.
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