微擾論 Save Sign in to save words Simplified: 微扰论 wēirǎolùn ㄨㄟ ㄖㄠˇ ㄌㄨㄣˋ perturbation theory Character by character 微(wēi)surname Wei 擾(rǎo)disturb 論(lùn)opinion A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0