877 篇文章
Nearly half of all cubs die in their first year out on the ice.
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Nearly half of all cubs die in their first year out on the ice. 大约有近一半的幼熊 会在第一年的冰上历险中丧生

but they don't have their mother's sense of urgency.
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but they don't have their mother's sense of urgency. 不过它们并不像母熊那样着急

At last it seems that they're ready for their journey
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At last it seems that they're ready for their journey 最后 它们似乎做好了旅行的准备

But their mother must keep them out and active.
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But their mother must keep them out and active. 可是母熊必须得把它们带到外边活动

Their mother has not eaten for five months
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Their mother has not eaten for five months 它们的母亲已有5个月没有进食了

and eager to reach their mother,
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and eager to reach their mother, 急切盼着来到母亲身旁

Her cubs gaze out of their bright new world for the very first time.
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Her cubs gaze out of their bright new world for the very first time. 它的幼熊们第一次注视着 这个明亮的新世界