Read Edit View history 白堊世 bái'èshì Cretaceous Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 白垩世/ 白堊世 bái'èshì Cretaceous Cretaceous, the geological period between approximately 145 and 66 million years ago Edit Delete References Add reference No references for this word.
白垩世/ 白堊世 bái'èshì Cretaceous Cretaceous, the geological period between approximately 145 and 66 million years ago Edit Delete