brown velvety-plumaged songbirds of the northern hemisphere having crested heads and red waxy wing tips
waxwing详细解释
wax.wing n.（名词）Any of several birds of the genusBombycilla, having crested heads, grayish-brown plumage, and waxy red tips on the wing feathers. 蜡翅鸟：几种太平鸟 属鸟类之任一种，头部有羽冠，有灰棕色羽毛，翅羽有蜡状红色尖端
