元古代
yuán​gǔ​dài

Proterozoic Era

  • created sense approved 元古代 · yuán​gǔ​dài · Proterozoic Era — "Initial import from upstream dictionary"

    元古代

    yuán​gǔ​dài

    Proterozoic Era

    Proterozoic geological era, occurring approximately 2500 to 541 million years ago

    元 (literal) → 元 · yuán · eon 古代 (literal) → 古代 · gǔ​dài · ancient times (historiographical)

    Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

    created sense