柯林斯词典Miocene /ˈmaɪəˌsiːn/ 1. ADJ of, denoting, or formed in the fourth epoch of the Tertiary period, between the Oligocene and Pliocene epochs, which lasted for 19 million years 第三纪中新世的2. N this epoch or rock series 第三纪中新世 返回 Miocene