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单词 Reptilia
释义 Reptilia
[rep`til·yǝ]
VERTEBRATE ZOOLOGY
A class of terrestrial vertebrates composed of turtles, tuatara, lizards, snakes, and crocodileans; characteristically they lack hair, feathers, and mammary glands, the skin is covered with scales, they have a three-chambered heart, and the pleural and peritoneal cavities are continuous.
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