It is believed by scientists that mermaids were actually an animal called the manatee.

科学家们相信，美人鱼实际上是一种名叫海牛的动物。

youdao

The manatee, often called the sea cow , is the only exclusively herbivorous marine mammal.

海牛，通常也称之为海中之牛，是唯一一种海洋食草哺乳动物。

youdao

The manatee, often called the sea cow , is the only exclusively herbivorous marine mammal.

海牛，通常也称之为海中之牛，是唯一一种海洋食草哺乳动物。

youdao