燕窝来自一种特殊的燕子，叫作金丝燕，是一种热带鸟类，主要分布在东南亚地区。

It requires a special kind of nest, made by a particular species of swiftlet, a tropical bird mostly found in Southeast Asia.

youdao

这要求一种特殊的燕窝，是由一种特殊的金丝燕做的，这种金丝燕大部分被发现于东南亚。

It requires a special kind of nest, made by a particular species of swiftlet, a tropical bird mostly found in Southeast Asia.

youdao

这要求一种特殊的燕窝，是由一种特殊的金丝燕做的，这种金丝燕大部分被发现于东南亚。

It requires a special kind of nest, made by a particular species of swiftlet, a tropical bird mostly found in Southeast Asia.

youdao