238 篇文章
The lions must wait for the oryx to leave the safety of the dunes,
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The lions must wait for the oryx to leave the safety of the dunes, 狮子必须耐心等待 长角羚离开安全的沙丘

which eventually they must to find food and water.
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which eventually they must to find food and water. 因为它们最后总得寻找食物和水

the lions must travel great distances to find enough to live on.
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the lions must travel great distances to find enough to live on. 狮子也必须长途跋涉 寻找生存所需的食物

Clearly there must be something else that takes the place of rain.
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Clearly there must be something else that takes the place of rain. 显然 这里必须有其它东西 能代替雨水的作用

By midday the radiation is so intense they must take shelter.
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By midday the radiation is so intense they must take shelter. 到了正午 太阳的炙焰 迫使它们不得不寻找庇荫处

And the red kangaroos must acknowledge that.
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And the red kangaroos must acknowledge that. 红大袋鼠必须意识到这一点

The camels must limit themselves to the equivalent of just 10 litres a day.
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The camels must limit themselves to the equivalent of just 10 litres a day. 骆驼必须限定自己 每天只能吃10升左右的雪

must wear respirators and carry monitors.
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must wear respirators and carry monitors. 必须戴上防毒面具 并携带通话器

so these species must have been isolated for a very long time.
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so these species must have been isolated for a very long time. 所以这些物种必定 与世隔绝了相当长的一段时间

This is the price that these cave commuters must pay
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This is the price that these cave commuters must pay 这是洞栖动物必须付出的代价