白垩纪 bái'èjì Cretaceous period Definitions Defs Origin Strokes Stroke Words Sentences Sents 白垩纪 白堊紀 bái'èjì Cretaceous period The final geological period of the Mesozoic Era, dating from approximately 145 to 66 million years ago, named after the extensive chalk deposits found in Europe during this time. Frequency Movie subtitles 0.330 per million appears in 0% of films Written text 0.332 per million Cross-References Referenced by 侏罗纪 zhūluójì Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)
白垩纪 白堊紀 bái'èjì Cretaceous period The final geological period of the Mesozoic Era, dating from approximately 145 to 66 million years ago, named after the extensive chalk deposits found in Europe during this time. Frequency Movie subtitles 0.330 per million appears in 0% of films Written text 0.332 per million Cross-References Referenced by 侏罗纪 zhūluójì Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)