单词：the Pliocene
上新世，上新统；上新世岩
the Pliocene的用法和样例：
例句
- Pliocene horse approaching donkeys in size.上新世的马，大约如猴子大小。
- Molecular phylogenetic studies indicated that genera of Phasianidae originated mainly in Pliocene.分子进化的研究表明雉科各属的起源主要集中在上新世。
- A type of fan-delta that an alluvial fan progrades into a lake is found in the pliocene Atushi Formation in the Southwest Depression,Tarim Basin.塔里木盆地西南坳陷上新统阿图什组中发育一套冲积扇进积到内陆湖泊中而形成的扇三角洲沉积体。