their

877 篇文章
ancient rivers flowing across sandstone country steadily widen their canyons
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ancient rivers flowing across sandstone country steadily widen their canyons 古老的河流冲开岩壁 不断拓宽这些峡谷

widen steadily country sandstone flowing rivers ancient canyons across their
and are on their way north to the southern United States.
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and are on their way north to the southern United States. 正向北飞往美国南部

states united way southern their north the to are on and
even though their shells are actually watertight.
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even though their shells are actually watertight. 尽管它们的外壳其实并不透水

watertight actually shells though their are even
They spend their days underground
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They spend their days underground 它们白天呆在地下

spend days their underground they
By staying in the shade and licking to control their body temperature
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By staying in the shade and licking to control their body temperature 通过呆在树荫下 并利用舔唾液的方法控制体温

licking shade temperature staying control body their in the to by and
and, as the saliva evaporates, their blood is cooled.
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and, as the saliva evaporates, their blood is cooled. 因此 当唾液蒸发时 血液也能得到冷却

cooled saliva blood evaporates their is as the and
but their body temperature can still rise.
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but their body temperature can still rise. 但它们的体温仍在升高

temperature rise can body their still but
So they lick saliva on to their forearms
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So they lick saliva on to their forearms 所以它们将唾液抹在前臂上

lick saliva forearms their they to so on
Dromedaries, single-humped camels, take these storms in their stride.
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Dromedaries, single-humped camels, take these storms in their stride. 单峰驼——只有一个肉峰的骆驼 顶着沙暴大步行走

stride single-humped dromedaries camels storms these their in take
Dunes of sand hundreds of miles long streak their surface.
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Dunes of sand hundreds of miles long streak their surface. 绵延数百英里的沙丘像是一条条皱边花纹

streak dunes hundreds sand surface long miles their of