第四紀
日本語 · 中文
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第四紀
Where it comes from
英語 Quaternaryの翻訳。
proper noun だいよんき
- 新生代のうち、258万年前から現在までの人類が発展した時代。更新世と完新世に細分される。
In English
- Quaternary geological period
Talk about this word "第四紀." Wiktionary, via Micwyn, micwyn.com/word/ja/%E7%AC%AC%E5%9B%9B%E7%B4%80. Accessed 7 Nov. 2026. 第四紀. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/ja/%E7%AC%AC%E5%9B%9B%E7%B4%80 "第四紀." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/ja/%E7%AC%AC%E5%9B%9B%E7%B4%80.Cite this
@misc{micwyn_2026,
title = {第四紀},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/ja/%E7%AC%AC%E5%9B%9B%E7%B4%80},
urldate = {2026-11-07}
}