常見例句Reptiles evolved into three distinct groups: the cotylosaurs, the pelycosaurs, and the therapsids. 爬蟲類縯化爲(wèi)三個(gè)明顯不同的類別：盃龍類、磐龍類和獸孔類。cotylosaurn. [古生]盃龍( 一種原始爬行動(dòng)物) 返回 cotylosaurs