Covert feather
01
覆羽, 雨覆羽
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
文法情報
有生性の状態
無生物
形態的構成
複合語
可算
singular
not gender specific
複数形
covert feathers
