英语词汇“plaisancian”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	plaisancian
释义	Plaisancian Plaisancian [plā′zän·chən] (geology) A European stage of geologic time: lower Pliocene (above Pontian of Miocene, below Astian). Also known as Piacention; Plaisanzian.
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Plaisancian