翅瓣
chì bàn
- alula;alulet;squama;aileron
翅瓣
翅瓣[chì bàn]
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羽毛最初由昆虫的翅瓣演化而来。
Feathers initially developed from insect scales .
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凤蝶的翅瓣是由许多微小结构构成的。研究人员称，这些微小结构中有护膜空气隔层，类似于鸡蛋盒的内部结构。
Scales on the wings are made up of tiny structures that researchers say resemble the inside of an egg carton , with alternating layers of cuticle and air .
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太阳光从这些结构中反射出来，翅瓣看上去就是绿油油的，但要是利用光学设备使光发生偏振，那些翅瓣就会变成亮蓝色。
The light bounces off the structures so that the scales appear to us as a shimmering green . But using optical equipment that can polarize light , those scales appear bright blue .