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。
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。
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。
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