Geology. The Cretaceous system or period.
| 单词 | θ5389 |
| 释义 | the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Cretaceous (10) cretaceous1851 Geology. The Cretaceous system or period. Cretacean1867 With the: = cretaceous, n. Now rare. Subcategories:— specific (8) |
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