单词 pneumootocous 释义 pneumootocous, a. Zool.|pnjumtks, nju-|Also pneumotocous.[f. mod.L. Pneumotoca, Pneumtoca (Owen), f. pneumo- b + Gr. ᾠ egg-laying, oviparous.]Belonging to the Pneumootoca, or vertebrates that breathe air by means...