aquatic mammal是什么意思 aquatic mammal怎么读
aquatic mammal的英文翻译是什么意思，词典释义与在线翻译
Noun:- whales and dolphins; manatees and dugongs; walruses; seals
aquatic mammal的用法和样例
用作名词 (n.)
- The membranes extend backward to encompass hind limbs that are quite a bit smaller than those of a terrestrial mammal of comparable body size.
翼膜向后延伸包围住后肢，蝙蝠的后肢比其他体形相当的陆栖哺乳动物明显小了许多。
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