A stranded female polar bear and mother of two cubs waits for the sea ice to return to be able to hunt.

滞留的雌性北极熊-两个小熊的母亲正在等待可以返回的海冰。

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After being at sea for several years, salmon return in summer to the sites of their birth to spawn and die, and hardly feed along their final journey.

鲑鱼在海中生活数年之后，在夏季洄游到它们的出生地，产卵然后死亡。在这一路上它们几乎不吃东西。

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Much of this ice then survives the following summer, and sea-ice conditions can quickly return to those before the artificial perturbation.

之后，这些海冰中的大多数都能度过接下来的夏天，海冰水平可以迅速恢复到人工干预前的状态。

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Guidroz is fueling his boat to return to the sea for the first time in two weeks.

VOA: standard.2010.05.06

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