单词 | geochronology |
释义 | Word Frequency geochronology(ˌdʒiːəʊkrəˈnɒlədʒɪ) noun the branch of geology concerned with ordering and dating of events in the earth's history, including the origin of the earth itself Derived forms geochronological (ˌdʒiːəʊˌkrɒnəˈlɒdʒɪkəl) or geochronologic (ˌdʒiːəʊˌkrɒnəˈlɒdʒɪk) adjective |
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