123456789Keywordto whitewashchalkto daub with chalkholysacredsagaciousFrequency#3915Strokes9ReadingsèMnemonic土 (earth) gives the meaning and 亚 the sound.Stroke orderComposed of亚second土earthUsed in vocabulary白垩纪Bái'èjìCretaceous (geological period 140-65m years ago)白垩bái'èchalk垩èto whitewash; to plaster