第一种是给老师的羽毛扇，用鸟羽制成。
The first kind was the feather (羽毛) fan for the teachers, which was made of bird feathers.
因为很多鸟在春天都换上了繁殖羽，根据颜色和羽毛图案来识别鸟种将变得更容易。
Because many spring birds are in their breeding plumage, it can be easier to identify them based on colors and feather patterns.
欧盟资助的一项研究中，意大利热那亚大学的亚历山德罗•波塔罗设计出一种微小型角质蛋白刷毛，他仿照了鸟身上叫做覆羽那种最小的羽毛。
In research funded by the European Union, Alessandro Bottaro of the University of Genoa in Italy has devised small keratin bristles that mimic the smallest type of bird feathers, known as coverts.
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