海燕

例句：

1. 1. The seagulls are flying high in the sky.
   海鸥们在天空中飞翔。
2. 2. The pelicans are diving for fish in the ocean.
   鹈鹕正在海里捕鱼。
3. 3. The terns are skimming the surface of the water.
   海燕在水面上滑翔。