This meansan increase in average air temperatures of around 3C and a reduction insea ice by around a third.

这意味着，那里的平均气温将升高约3摄氏度，海冰将减少约三分之一。

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This meansan increase in average air temperatures of around 3C and a reduction insea ice by around a third.

这意味着，那里的平均气温将升高约3摄氏度，海冰将减少约三分之一。

youdao