Read Edit View history 震旦纪 zhèndànjì Sinian Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 震旦纪/ 震旦紀 zhèndànjì Sinian time word · Sinian (c. 800-542 million years ago), late phase of pre-Cambrian geological era 震旦纪是地球历史上一个重要的地质时期。 Edit Delete References Add reference No references for this word.
震旦纪/ 震旦紀 zhèndànjì Sinian time word · Sinian (c. 800-542 million years ago), late phase of pre-Cambrian geological era 震旦纪是地球历史上一个重要的地质时期。 Edit Delete