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[PIPER]Most polar bears could be lost by 2050

美国：北极熊命运堪忧 The fate of polar bears could be even bleaker than that estimate, because sea ice in the Arctic might be vanishing faster th...
发表时间: 2007-09-29 06:32:10 | 评论: 0 | 浏览: 21 | 来自: LUKIYA_NEVERLAND
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