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词汇 Eocene
释义 E·o·cene AHD[ēʹə-sēn'] D.J.[ˈiːəˌsiːn]K.K.[ˈiəˌsin]adj.(形容词)
  1. Of, relating to, or designating the geologic time, rock series, sedimentary deposits, and fossils of the second oldest of the five major epochs of the Tertiary Period, extending from the end of the Paleocene to the beginning of the Oligocene, and characterized by the rise of mammals. See table at geologic time 始新世的:关于或标明第三纪的五个世中第二世的地质时代、岩系段,沉积矿床和化石的,该世由古新世末期到渐新世初期,以哺乳动物的繁盛为特征 参见 geologic time
n.(名词)
    1. The Eocene Epoch.始新世
    1. The deposits of the Eocene Epoch.始新世矿床
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