英语听力:自然百科 北极熊 冰上间谍 Spy_Bear—6
时间:2014-05-21 08:23:57
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(单词翻译)
But again, a bear helps with the filming. Sealed with a kiss, the couple’s whirlwind romance will last three weeks.
Out on the frozen sea, a young male has killed a seal. He caught it when it surfaced through a breathing hole in the ice. To film from a different angle, blizzard-cam
deploys1 snowball-cam. This technical miracle rolls with no visible moving parts. Its lens even boast a self-righting
mechanism2, a close-up reveals that he's eating the blubber. This provides the most nutrition and is always eaten first. Seals make up 95% of a polar bear's diet and are only found near the sea ice.
The two
cub3 family are attracted to the frozen sea to hunt seals as well. She hunts the pups of ringed seals that hide in snowy
dens5 on the ice. She finds them by smell, even a meter down. She pile-drives the snow with a force of two tons, but the roof of the
den4 holds.
Back at the carcass, the spy-cams stay on to film bears attracted to the
leftovers6. The mother and a single cub--she could smell their
remains7 from 20 miles away. In the den, she spent six months without eating while the males
fattened8 up on seals.
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