| 单词 | Palaeozoic |
| 释义 | Word Frequency Palaeozoic(ˌpælɪəʊˈzəʊɪk) adjective 1. of, denoting, or relating to an era of geological time that began 600 million years ago with the Cambrian period and lasted about 375 million years until the end of the Permian period noun 2. the Palaeozoic Word origin C19: from palaeo- + Greek zōē life + -ic |
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