今天,我们将涵盖旧石器时代晚期,我大致定义为公元前35000年到公元前8000年。
Today, we will be covering the Upper Paleolithic Period, which I am roughly defining as the period from 35,000 to 8,000 BC.
劝说式演讲最早为公元前4世纪亚里士多德时期的。
The foundation-stone of persuasive speech is what Aristotle in the 4th century BC described as the "ethos" appeal.
根据历史记录、地层层序关系、堆积物特征的综合分析,推测堆积物的形成时间为公元1903年。
Based on historical records, stratigraphic correlation and features of the deposits, it is estimated that the ejecta are the product of 1903 AD eruption.
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