保长对应 Save Sign in to save words Traditional (Taiwan): 保長對應 bǎochángduìyìng ㄅㄠˇ ㄔㄤˊ ㄉㄨㄟˋ ㄧㄥˋ distance-preserving correspondence math. isometry Character by character 保(bǎo)Bulgaria 长(cháng)long 对(duì)right 应(yìng)answer A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0