sirenian mammal   (TTS Sound)

The sirenian_mammal has 1 Senses.

• sea cow, sirenian mammal, sirenian
• 海牛
• any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
• 大きい草食の水生哺乳動物の2つの属性で、櫂の形をした尾にひれ足のような前肢があるが、後肢がない