1. a featherless biped; the unfeathered legs of an Orpington. 没有羽毛的两足动物；奥尔平顿鸡没有羽毛的双腿。
2. The eye of a blue macaw is surrounded by a featherless golden rim. 蓝金刚鹦鹉的眼睛具有金色无毛的眼眶。
3. Ever since they were hatched, they've been tricked into believing this featherless microlight is the parent they should follow. 自打出壳那天起，鹤宝宝就受人哄骗，相信这架没长一根羽毛的滑翔机就是自己的亲生父母。
