品尝夏季各种食品。
Estimates range from 2013-terrifyingly soon-to 2050 for the first year when the Arctic is free of ice in summer.
据推测,北极夏日无冰的开始年份,最早为急迫的2013年,最晚2050年。
Summer sea ice is vital to a range of Arctic marine and land animals, and its annual summer melt-off is projected to increase dramatically as the climate warms.
对于北极圈的成熟物种和陆上动物而言,夏季海洋中的冰块存量至关重要,而在气候变暖的情境下,夏季海洋中,冰块“被融化”的年平均量与日俱增。
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