单词 | Mesozoic |
释义 | Mes·o·zo·ic (mĕz′ə-zōĭk, mĕs′-) adj. Of, relating to, or being the era of geologic time from about 251 to 66 million years ago. The Mesozoic Era includes the Triassic, Jurassic, and Cretaceous Periods and is characterized by the development of flying reptiles, birds, and flowering plants and by the appearance and extinction of dinosaurs. See Table at geologic time. n. The Mesozoic Era. |
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