The main course was roast duck.
主菜是烤鸭。
He just managed to duck out of sight.
他总算躲开了别人的视线。
A duck's feathers shed water immediately.
鸭子的羽毛不沾水。
The cat was now within striking distance of the duck.
此时，猫就在可攻击鸭子的距离内。
Ducks were swimming around on the river.
鸭子在河面上游来游去。