同义词： Apatura iris
purple-headed emperor白龙占
The Purple Emperor书名
Lesser Purple Emperor柳紫闪蛱蝶
Purple Emperor Dragon day decoration紫帝龙天装饰
N（名词） any of several Old World nymphalid butterflies of the genus Apatura, esp A. iris, having mottled purple-and-brown wings (帝王)紫蛱蝶