a common bird that lives on or near water and has short legs, webbed feet and a wide beak. There are many types of duck , some of which are kept for their meat or eggs.

• 一种常见的鸟（a common bird）
• 生活在或靠近水的地方（lives on or near water）
• 有短腿（and has short legs）
• 蹼足和宽喙（webbed feet and a wide beak）

• 鸭子有很多种类（There are many types of duck）
• 一些鸭子被饲养为了它们的肉或者蛋（some of which are kept for their meat or eggs）

人教精通版小学《英语》三年级上册