hyla

例句：

1. 1. The otter is an aquatic mammal that lives in the water.
   海獭是一种水生哺乳动物，生活在水里。
2. 2. The baby seal is a cute aquatic creature that swims around in the ocean.
   小海豹是一个可爱的水生生物，在海洋中游泳。
3. 3. The otter has a unique adaptation for swimming and hunting in the water.
   海獭有独特的适应在水中游泳和狩猎的能力。