白垩世 Bái'èshì Cretaceous Definitions Defs Origin Strokes Stroke Words Sentences Sents 白垩世 (白堊世) Bái'èshì Cretaceous time word Cretaceous (geological period 140-65m years ago) Sources Definitions CC-CEDICT
白垩世 (白堊世) Bái'èshì Cretaceous time word Cretaceous (geological period 140-65m years ago) Sources Definitions CC-CEDICT