pochard
/ˈpəʊtʃəd/noun
(复同单, 或pochards)
1- a diving duck, the male of which typically has a reddish-brown head and a black breast潜鸭。
1.1
- Genera Aythya and Netta, family Anatidae: five species, in particular the common A. ferina of Eurasia.潜鸭属和赤冠属, 鸭科：5种, 尤指欧亚大陆常见的红头潜鸭。
词源
mid 16th cent.: of unknown origin.