北极熊越来越常见—这些熊明显是从它们远在北方的栖息地为寻找食物冒险来到南方的。
Polar bear sightings are becoming increasingly common - with the bears apparently venturing south from their far-northern habitat in search of food.
北极熊的生活越来越困难。
但由于全球变暖,浮冰融化,在海上猎食也越来越困难,北极熊的捕猎场所也不得不转移到陆地上。
But the melting of sea ice as a result of rising global temperatures has made it more difficult for polar bears to hunt seals at sea, confining the bears to land.
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