變質作用 Save Sign in to save words Simplified: 变质作用 biànzhìzuòyòng ㄅㄧㄢˋ ㄓˋ ㄗㄨㄛˋ ㄩㄥˋ metamorphism (geology) Character by character 變(biàn)change 質(zhì)character 作(zuò)do 用(yòng)use A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0