三迭纪
Triassic (geological period 250-205m years ago)
Traditional: 三迭紀
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📖 Additional Information
English Phonetic:
trai'æsik
Detailed Definition:
n. from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity\na. of or relating to or denoting the first period of the Mesozoic era