基本解释n.古新世同根派生 Paleocene相关词英汉例句用作名词 (n.)Paleontological studies showed that modern avian groups probably first appeared in the Paleocene and experienced an explosive radiation in the early Cenozoic.古生物学研究表明,现生鸟类的最早出现是在古新世,而爆发性辐射演化发生在新生代早期。Paleocene更多例句