noun
a large African waxbill with a stout metallic-blue bill and red and black plumage
梅花雀
Genus Spermophaga,family Estrildidae: three species
蓝嘴雀属，梅花雀科: 3种
any of a number of ducks with blue bills:
有蓝色喙的鸭子
N. Amer.the scaup duck Austral.the blue-billed duck (Oxyura australis, family Anatidae), a stiff-tailed duck with chestnut plumage
北美潜鸭 澳澳洲硬尾鸭（拉丁名Oxyura australis，鸭科）