hardhead
/ˈhɑːdhed/noun
1
- an Australasian diving duck related to the pochard, with mainly dark brown plumage澳洲潜鸭。
1.1
- Aythya australis, family Anatidae. Alternative name: white-eyed duck.拉丁名Aythya australis, 鸭科。又名： 白眼鸭。
2
- （亦作hardhead catfish）a marine catfish, the male of which incubates the eggs inside its mouth. It occurs along the Atlantic coast of North America.海鲇。
2.1
- Arius felis, family Ariidae.拉丁名Arius felis,海鲇科。