Feather

Feather structure of a blue-and-yellow macaw

Budgerigar feather, magnified, showing interlocking barbules

Feathers are epidermal growths that form the distinctive outer covering, or plumage, on birds and some non-avian theropod dinosaurs. They are considered the most complex integumentary structures found in vertebrates, and indeed a premier example of a complex evolutionary novelty. They are among the characteristics that distinguish the extant Aves from other living groups. Feathers have also been noticed in those Theropoda which have been termed feathered dinosaurs.

单词	barbicel
释义	barbicel /'bɑ:bə,sel//ˈbɑrbɪˌsɛl/ 英汉-汉英词典 n. (鸟类的)羽纤支词组 \| 习惯用语您要查找的是不是： barbie n. [澳俚]户外烤肉（等于barbecue） barbaric adj. 野蛮的，粗野的；原始的 barbital n. [化]巴比妥（镇静安眠用） Barabbas n. 巴拉巴（圣经人物）网络短语: barbicel 羽纤支; 羽纤枝; 英语百科 Feather Feathers are epidermal growths that form the distinctive outer covering, or plumage, on birds and some non-avian theropod dinosaurs. They are considered the most complex integumentary structures found in vertebrates, and indeed a premier example of a complex evolutionary novelty. They are among the characteristics that distinguish the extant Aves from other living groups. Feathers have also been noticed in those Theropoda which have been termed feathered dinosaurs.
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barbicel /'bɑ:bə,sel//ˈbɑrbɪˌsɛl/

您要查找的是不是：

网络短语:

Feather