Искать
Выберите язык словаря
covert feather
/koʊvˈɜːt fˈɛðɚ/
/kəʊvˈɜːt fˈɛðə/
Covert feather
01
скрытое перо
a type of small, fluffy feather that covers the base of a bird's larger flight feathers, providing insulation and helping to streamline the bird's wing shape
