oligocene
美 英
n. 渐新世；渐渐统
adj. 渐新世的；渐渐统的
英英释义
Noun- from 40 million to 25 million years ago; appearance of sabertoothed cats
例句
用作名词(n.)- Beibu Wan Basin was a lake in the middle Eocence-Lower Oligocene.北部湾盆地在中始新世至早渐新世是一个湖泊。
- Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
- The continental deposits of Enping formation aged from Oligocene to Eocene of Palaeocene are well-developed and widespreaded in the Pearl River Mouth Basin.珠江口盆地下第三系始新统至渐新统恩平组分布广泛。
用作形容词(adj.)- Beibu Wan Basin was a lake in the middle Eocence-Lower Oligocene.北部湾盆地在中始新世至早渐新世是一个湖泊。
- Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
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