Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/9382f5b3c8233600009a429d7b54c2fa.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 Paleocene epoch是什么意思，Paleocene epoch的翻译，Paleocene epoch音标、读音、用法和例句_歐米惠必应词典
Paleontological studies showed that modern avian groups probably first appeared in the Paleocene and experienced an explosive radiation in the early Cenozoic. 古生物學研究表明，現生鳥類的最早出現是在古新世，而爆發性輻射縯化發生在新生代早期。