1297 篇文章
on which they depend.
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on which they depend. 季节性生长的青草

Like all grassland creatures, they are at the mercy
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Like all grassland creatures, they are at the mercy 和其他草原生物一样 他们依赖着

They must seize their chance
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They must seize their chance 他们必须要在

Here they are, Arctic wolves.
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Here they are, Arctic wolves. 就是他们 北极狼

Within days they will have to keep up with their parents
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Within days they will have to keep up with their parents 几天内他们就将跟随自己的父母

But they themselves can be food for those that can reach them.
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But they themselves can be food for those that can reach them. 但也有动物能探进蚁穴将它们吃掉

Luckily, they are an industrious lot.
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Luckily, they are an industrious lot. 幸好它们都很勤劳

But they themselves can't digest one bit of it.
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But they themselves can't digest one bit of it. 可它们根本无法消化叶片

Each year they devour millions of tons of grass,
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Each year they devour millions of tons of grass, 每年会吃掉数百万吨草

And they are not alone.
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And they are not alone. 不过它们并不孤单