Last Updated
:2025/12/24
三畳紀
Hiragana
さんじょうき
Proper noun
Japanese Meaning
三畳紀は、中生代を三分する地質時代区分の一つで、約2億5千万年前から約2億年前までの期間を指す。「三畳」はドイツ語『Trias』の訳語で、三つの層(三つの地層群)に区分されたことに由来する。 / 古生代ペルム紀に続き、中生代の最初に位置する地質時代で、恐竜の祖先や哺乳類型爬虫類などが現れた時代。
Easy Japanese Meaning
むかしの地球の時代のなまえで、中生代のはじめのころの長い期間のこと
Chinese (Simplified)
三叠纪 / 中生代最早的地质时期
Sense(1)
the Triassic period
( canonical )
( romanization )
( romanization )
( hiragana historical )
( hiragana )
Quizzes for review
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三畳紀
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At what point in Earth's history does the Triassic period fall?
At what point in Earth's history does the Triassic period fall?
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三畳紀は地球の歴史の中でどの時期にあたりますか?
Japanese - English
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