金丝燕
swiftlet (birds of the genus Aerodramus, whose nests are harvested for bird's nest soup)
词频 2.2
含义
- Aerodramus, genus of birds that use echolocation, a subset of the Collocaliini tribe (swiflets), two of whose species – Aerodramus fuciphagus and Aerodramus maximus – build nests harvested to make bird's nest soup