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Jurassic (Geology Dictionary)

Jurassic : A major unit of the geologic timescale that extended from about 199.6 ± 0.6 Ma (million years ago) to 145.4 ± 4.0 Ma, between the end of the Triassic and the beginning of the Cretaceous.

👇​ ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖


👇​ ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖

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