Read Edit View history 震旦纪 zhèndànjì Sinian Period Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 震旦纪/ 震旦紀 zhèndànjì Sinian Period Sinian period, a geological period in the late Precambrian era roughly 800 to 542 million years ago. Edit Delete References Add reference No references for this word.
震旦纪/ 震旦紀 zhèndànjì Sinian Period Sinian period, a geological period in the late Precambrian era roughly 800 to 542 million years ago. Edit Delete