例句：

　　鴨子的羽毛不沾水。

　　A duck's feathers shed water immediately.

　　鴨子潛入水中，然后在幾米開外鉆出水面。

　　The ducks dived and surfaced again several metres away.

　　鴨子在河面上游來游去。

　　Ducks were swimming around on the river.

　　對(duì)不起，鴨子賣光了。

　　Sorry, the duck is off.