Read Edit View history 前寒武紀 qiánhánwǔjì Precambrian Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 前寒武纪/ 前寒武紀 qiánhánwǔjì Precambrian the geological period before approximately 540 million years ago Edit Delete References Add reference No references for this word.
前寒武纪/ 前寒武紀 qiánhánwǔjì Precambrian the geological period before approximately 540 million years ago Edit Delete