1297 篇文章
All they can do is continue their migration
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All they can do is continue their migration 它们只能继续迁徙

They have no choice but to back down
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They have no choice but to back down 它们别无选择 只得退下

Instead, they bide their time, waiting for the right moment.
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Instead, they bide their time, waiting for the right moment. 相反 它们耐心等待时机

They are guided by an old female, the matriarch,
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They are guided by an old female, the matriarch, 它们由一头年长的雌性即女族长带领

for they can look forward to the end of winter
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for they can look forward to the end of winter 因为可以期待冬天的结束

But no matter where they go,
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But no matter where they go, 但无论野牛群去哪里

they need little energy to keep warm...
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they need little energy to keep warm... 所以它们不需要多少能量 就能保持温暖

they use oxygen far more effectively than Maiacetus.
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they use oxygen far more effectively than Maiacetus. 它们利用氧气的效率远高于慈母鲸

But unlike whales, they still spend much of their time lazing on land.
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But unlike whales, they still spend much of their time lazing on land. 但与鲸不同 它们多数时间仍懒洋洋地躺在陆地上

It's in the water that they come alive...
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It's in the water that they come alive... 在水中 它们才会活跃起来