潜鸭

例句：

1. 1.The terns are diving for fish in the ocean.
   海鸥正在海里潜水捕鱼。
2. 2.The ducks were swimming in the lake.
   鸭子们在湖里游泳。
3. 3. The terns are a species of seabird that can dive to depths of up to 100 meters.
   海鸥是一种能在水下达到100米深的海洋鸟类。