单词：Anatidae
鸭科
n. swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks
词型变化：名词复数形式 : anatidaes
Anatidae的用法和样例：
例句
- Swans are birds of the family Anatidae, which also includes geese and ducks.天鹅属雁形目中的鸭科中的一个属，鸭科还包括鹅和鸭。