【来源及含义】Greek: a suffix; new, denotes certain "recent" eons when naming geological periods
【同源单词】Eocene, Oligocene, Paleocene, Pleistocene, Pliocene
【来源及含义】Greek: a suffix; new, denotes certain "recent" eons when naming geological periods
【同源单词】Eocene, Oligocene, Paleocene, Pleistocene, Pliocene