dickybird

例句：

1. 1.The ducks were swimming in the pond.
   鸭子们在池塘里游泳。
2. 2. The goose was standing on the rooftop.
   鹅站在屋顶上。
3. 3.The ducklings are playing with their mother.
   小鸭子们正在和妈妈一起玩。