| 单词 | craton |
| 释义 | Word Frequency craton(ˈkreɪtən) noun geology a stable part of the earth's continental crust or lithosphere that has not been deformed significantly for many millions, even hundreds of millions, of years shield (sense 7)Derived forms cratonic (krəˈtɒnɪk) adjective Word origin C20: from Greek kratos strength |
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