金丝燕窝是金丝燕及多种同属燕类用唾液与绒羽等混合凝结所筑成的巢窝。世界上最上乘的燕窝基本上都来自于马来西亚以及印度尼西亚。是有营养的有益食品，有保健食疗之效。
我们在这说的燕窝是由多种雨燕生产出来的，尤其是金丝燕在做巢时会排放一种化学混合物，使空气变冷。
The nests in question here are produced by a variety of Swifts, specifically Cave Swifts who produce the nest by spitting a chemical compound that hardens in the air.
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.
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.
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