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The big question now is when the ice will disappear totally each summer. There will be an answer in 2010.
现在重要的问题是，何时北极在夏季再无冰存在。
youdao
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The big question now is when the ice will disappear totally each summer. There will be an answer in 2010.
现在重要的问题是，何时北极在夏季再无冰存在。
youdao