With the. The Precambrian division of geological time; the system of rocks dating from this.
| 单词 | θ5449 |
| 释义 | the world > the earth > structure of the earth > age or period > [noun] > Pre-Cambrian (7) Precambrian1915 With the. The Precambrian division of geological time; the system of rocks dating from this. Cryptozoic1922 The Cryptozoic eon; the Precambrian; the system of rocks dating from this time. Subcategories:— Proterozoic (5) |
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