正如加州理工学院的赫尔曼·恩格尔哈特所说，“南极西部冰盖消失过一次，也可能再次消失。”
As Herman Engleheart, a co-author from the California Institute of Technology says, "the West Antarctic ice sheet disappear once and can disappear again."
后来，他发现有一群黑子在太阳西部的边缘上停留了一段时间才消失，然后在太阳东部边缘上。
Afterwards he found a sunspot group which lived the western limb of the sun, to reappear on its eastern limb, and finally to regain its old position.
作为一个孩子他曾在西部生活过，当时西部拓荒生活正在消失。
He had lived in it as a child when it was already disappearing.
上世纪80年代迫于成本上升以及环保限制的压力，本德结束了森林采伐工业，西部特殊的文化也随之消失。
The end of Bend's logging industry during the 1980s, killed by high costs and environmental restrictions, meant the loss of a particular western culture.
上世纪80年代迫于成本上升以及环保限制的压力，本德结束了森林采伐工业，西部特殊的文化也随之消失。
The end of Bend's logging industry during the 1980s, killed by high costs and environmental restrictions, meant the loss of a particular western culture.
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