| 单词 | Silurian |
| 释义 | Word Frequency Silurian(saɪˈlʊərɪən) adjective 1. of, denoting, or formed in the third period of the Palaeozoic era, between the Ordovician and Devonian periods, which lasted for 25 million years, during which fishes first appeared 2. of or relating to the Silures noun 3. the Silurian |
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