have

1801 篇文章
Now lumps of heavily eroded rocks have been marooned in a sea of sand.
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Now lumps of heavily eroded rocks have been marooned in a sea of sand. 现在 这些严重侵蚀的石块 已被放逐在沙海之中

marooned heavily lumps eroded rocks sand sea been of in have now a
The main body of these dunes may not have shifted for 5,000 years.
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The main body of these dunes may not have shifted for 5,000 years. 这些沙丘的主体 可能已有5000多年未曾移动

shifted dunes may main these body not for of have the years
In Namibia the winds have built some of the biggest dunes in the world.
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In Namibia the winds have built some of the biggest dunes in the world. 在纳米比亚 风塑造了 一些世界上最大的沙丘

built namibia dunes biggest winds some of in world have the
Reptiles have armoured scaly skins that protect them from the stinging grains.
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Reptiles have armoured scaly skins that protect them from the stinging grains. 爬行动物的皮肤覆盖着鳞甲 能抵御刺痛的沙粒

stinging protect skins scaly armoured grains reptiles from that them have the
and since this discovery more than 120 miles of passageways have been mapped.
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and since this discovery more than 120 miles of passageways have been mapped. 自从那次发现之后 迄今已测绘了120多英里的地道

discovery mapped passageways than miles more since been of have this and
have to survive on whatever washes into the cave from outside.
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have to survive on whatever washes into the cave from outside. 必须得吃任何从外边冲进洞内的东西

washes whatever cave outside survive into from have the to on
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

isolated species long these must time very been for have so a
they have all not only lost the pigment in their skin,
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they have all not only lost the pigment in their skin, 它们不仅失去了皮肤色素

skin pigment lost only their not they all in have the
but the snakes have a secret weapon.
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but the snakes have a secret weapon. 不过蛇也有自己的秘密武器

weapon snakes secret have the but a
they have become important shelters for many species.
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they have become important shelters for many species. 它们也成了许多动物的重要庇护所

shelters important become species many they for have