swiftlets

4 篇文章
The pure white nests of cave swiftlets
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The pure white nests of cave swiftlets 洞金丝燕的纯白燕窝

pure nests swiftlets cave white of the
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
They're cave swiftlets.
Walden 21
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They're cave swiftlets. 它们就是洞金丝燕

swiftlets cave they're
but in the pitch black the swiftlets manage unerringly to locate their individual nesting sites,
Walden 21
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but in the pitch black the swiftlets manage unerringly to locate their individual nesting sites, 但是金丝燕却能在黑暗中 准确无误地到达自己的筑巢点

sites nesting locate unerringly manage pitch swiftlets black individual their in the to but
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