| 单词 | the Pliocene |
| 释义 | the Pliocene UK [ðə'plaɪ.əʊ.si:n] US [-oʊ-] noun only singular specialized ■the section of geological time between around 5.3 million and 1.8 million years ago, in which many modern mammals and the ancestors of modern humans first appeared 上新世（约530万-180万年之间的地质时期，当时现代人的祖先和许多现代哺乳动物开始出现） |
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