Oligocene
形容词 adj.
专有名词
英文释义
形容词 adj.
- Of a geologic epoch within the Paleogene period from about 34 to 23 million years ago; marked by the rapid evolution in a warm climate.
专有名词
- The Oligocene epoch.
词源
词源 1
From German Oligozän (originally spelt Oligocän, coined in 1854). By surface analysis, oligo- + -cene.
词源 2
From German Oligozän (originally spelt Oligocän, coined in 1854). By surface analysis, oligo- + -cene.
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数据来源: Wiktionary