The main course was roast duck.

　　主菜是烤鴨。

　　He just managed to duck out of sight.

　　他總算躲開了別人的視線。

　　A duck's feathers shed water immediately.

　　鴨子的羽毛不沾水。

　　The cat was now within striking distance of the duck.

　　此時(shí)，貓就在可攻擊鴨子的距離內(nèi)。

　　Ducks were swimming around on the river.

　　鴨子在河面上游來游去。