for

2064 篇文章
It takes thousands of generations for eyes to be lost,
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It takes thousands of generations for eyes to be lost, 眼睛的退化需要经历数千代的演变

generations takes eyes thousands be lost it for of to
for they live only in cave waterfalls.
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for they live only in cave waterfalls. 因为它们只生活在洞穴瀑布中

waterfalls cave live only they for in
for their daytime sanctuary on the ground.
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for their daytime sanctuary on the ground. 以换取它们白天在陆地上的庇护

daytime sanctuary ground their for the on
For these fish the caves are a night time retreat,
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For these fish the caves are a night time retreat, 对于这些鱼来说 洞穴是理想的过夜场所

caves fish night retreat these time for the are 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
making it a particularly difficult place for animals to live.
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making it a particularly difficult place for animals to live. 对动物而言是极为困难的生境

making live particularly difficult animals place it for to a
These flooded caves in Mexico have remained virtually unchanged for thousands of years.
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These flooded caves in Mexico have remained virtually unchanged for thousands of years. 墨西哥的这些水洞 几千年来几乎保持不变

unchanged remained caves mexico flooded thousands virtually these for of in have years
and gram for gram are worth as much as silver.
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and gram for gram are worth as much as silver. 每克燕窝的价值堪比白银

silver worth gram much for as are and
For 500 years people have been harvesting the nests of cave swiftlets.
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For 500 years people have been harvesting the nests of cave swiftlets. 500年来 人们一直采集洞金丝燕的燕窝

harvesting nests swiftlets cave been for of have the people years
and not only for the birds.
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and not only for the birds. 不仅只是针对这些鸟而言

birds only not for the and