第四纪
Traditional: 第四紀Dictionary entry
fourth period
What does 第四纪 mean?
第四纪 (dì sì jì) has the following dictionary meaning.
1fourth period
2quaternary (geological period covering the recent ice ages over the last 180,000 years)
Character breakdown
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How to pronounce 第四纪
第四纪
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Base dictionary data: CC-CEDICT · CC BY-SA 4.0.