精密化 Save Sign in to save words jīngmìhuà ㄐㄧㄥ ㄇㄧˋ ㄏㄨㄚˋ refinement to add precision Character by character 精(jīng)essence 密(mì)surname Mi 化(huà)make into A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0