duck [dʌk] n. 鸭子，鸭肉

牛津词典：

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.

鸭子的构成特征：

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）

鸭子的属性特征：

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）

单词选自：

人教精通版小学《英语》三年级上册

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