微扰展开 Save Sign in to save words Traditional (Taiwan): 微擾展開 wēirǎozhǎnkāi ㄨㄟ ㄖㄠˇ ㄓㄢˇ ㄎㄞ perturbative expansion (physics) Character by character 微(wēi)surname Wei 扰(rǎo)disturb 展(zhǎn)surname Zhan 开(kāi)open A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0