蹼足

例句：

1. 1. The otter uses its web-foot to catch fish in the water.
   海獭用它的蹼足在水中捕捉鱼。
2. 2. The frog has a claw foot that helps it walk on land.
   青蛙有一只爪子般的蹼足，帮助它在地上行走。
3. 3. The ducklings have web-feet that are perfect for swimming in the pond.
   小鸭子们拥有蹼足，非常适合在池塘里游泳。