But blue feathers result from refraction, a prism-stylesplitting of light inside a feather.
但是蓝色羽毛是靠折射光形成的，那是羽毛中一些类似棱镜的结构将蓝色光分离了出来。
2
While Confucianism, Buddhism and Taoism were splitting in middle Tang Dynasty, the poetry of this time was exceptionally abundant and complex in its aesthetic style.