class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
双语例句
1. MORPHOLOGICAL STRUCTURE OF THE RESPIRATORY SYSTEM OF HYDROPHIS CYANOCINCTUS ( DAUDIN ) ( REPTILIA : HYDROPHIIDAE )
青环海蛇呼吸系统的形态结构 ( 爬行纲: 海蛇科 )
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2. A COMPARATIVE STUDY ON BRAIN MEASUREMENTS OF HYDROPHIS CYANOCINCTUS Daudin AND H. MELANOCEPHALUS ( Gray ) ( REPTILIA: HYDROPHIIDAE )