显生宙

Traditional (Taiwan): 顯生宙

xiǎnshēngzhòu ㄒㄧㄢˇ ㄕㄥ ㄓㄡˋ

    • Phanerozoic, geological eon lasting since the Cambrian 寒武纪 hánwǔjì, c. 540m year ago

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Sources