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单词 Cretaceous
释义 Cret·aceousBrE /krɪˈteɪʃəs/NAmE /krɪˈteɪʃəs/ adjective (geology 地质学) of the period between around 146 and 65 million years ago, when dinosaurs lived (until they died out); of the rocks formed during this time 白垩纪的 the Cret·aceous BrE /ˌðə krɪˈteɪʃəs/NAmE /ˌðə krɪˈteɪʃəs/ noun [sing.]
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