最终，成行的浓密互连羽支形成了平滑表面：即现代鸟类的羽翮结构基本形成。
Eventually, dense rows of interlocking barbs formed a flat surface: the basic blueprint of the so-called pennaceous feathers of modern birds.
拖着四根缎带般的硕长尾羽，羽片上还排列着羽支，体型只有鸽子大小的耀龙为我们提供了恐龙利用绚丽羽毛进行展示的最早证据。
Sporting a quartet of long, ribbonlike feathers with barbs arranged in vanes, pigeon-size Epidexipteryx may provide the earliest evidence of a dinosaur flaunting its feathers for display.
拖着四根缎带般的硕长尾羽，羽片上还排列着羽支，体型只有鸽子大小的耀龙为我们提供了恐龙利用绚丽羽毛进行展示的最早证据。
Sporting a quartet of long, ribbonlike feathers with barbs arranged in vanes, pigeon -size Epidexipteryx may provide the earliest evidence of a dinosaur flaunting its feathers for display.
单一支羽毛也可以由顶端为正羽、基部为绒羽组合而成。
Feathers can have a pennaceous vane and a plumulaceous base.
单一支羽毛也可以由顶端为正羽、基部为绒羽组合而成。
Feathers can have a pennaceous vane and a plumulaceous base.
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