英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—5
时间：2014-05-21 08:23:23
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（单词翻译）
She's aware of his difficulties and uses her body as a shield. She must stay attentive1 if her cub2 is to survive in this harsh Arctic world. Realizing he's exhausted3, she digs a hollow to rest him. In the dens4 like this, she suckles him six times a day.
Meanwhile the courting male is yet to prove he's up for the job. But the female doesn't like being ignored. She tries to reignite his passion. Time to turn up the heat. He's certainly interested now. She's falling head over heels for him. He's now totally captivated. But still she gives him the runaround. But in courtship, there are always casualties.
Blizzard-cam is at the bear's mercy.
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