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Meaning of 第四纪

Lookup via: Pinyin | Radicals
(Trad.: 第四紀)
fourth period; quaternary (geological period covering the recent ice ages over the last 180,000 years)
Example Sentences
1
Review and prospects of Quaternary Glaciation research in China.
2
It's evident that the ice sheets have gone through multiple stages of growth and retreat over the course of the Quaternary.
3
250
Is a legacy of the Quaternary glacial ancient trees on Earth over 250 million years of history.
4
Haizi cave originated in the early or middle stage, Pleistocenc, Quaternary, and is a kind of afflux underground river cave.
5
Turning endlessly back upon itself, it was eventually lost in the fossilized ice of the Quaternary.