Read Edit View history 前寒武纪 qiánhánwǔjì Precambrian Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 前寒武纪/ 前寒武紀 qiánhánwǔjì Precambrian pre-Cambrian, the geological period before approximately 540 million years ago 前寒武纪涵盖了地球历史中极其漫长的一段时期。 Edit Delete References Add reference No references for this word.
前寒武纪/ 前寒武紀 qiánhánwǔjì Precambrian pre-Cambrian, the geological period before approximately 540 million years ago 前寒武纪涵盖了地球历史中极其漫长的一段时期。 Edit Delete