"水獭"在英文中通常被称为"otter"。

"Otter"这个单词源自中世纪拉丁语"ottra"，意思是"水狗"。这个单词最初是用来描述一种捕鱼的犬种，但后来被用来指代所有的水獭科动物。

这里是一些关于"otter"的例句：

The river is home to a variety of wildpfe, including beavers, ducks, and otters. (河流是各种野生动物的家园，包括海狸、鸭子和水獭。)

The otters at the aquarium are always a big hit with visitors. (动物园里的水獭总是很受游客欢迎。)

Otters are known for their playful behavior and strong social bonds. (水獭以其游戏性的行为和强大的社会关系而闻名。)