12 篇文章
The nests are very precious objects,
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The nests are very precious objects, 燕窝是非常珍贵的东西

Their little cup-like nests are made entirely from threads of saliva.
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Their little cup-like nests are made entirely from threads of saliva. 它们小巧的杯状燕窝完全由唾液丝筑建