等比级数 Save Sign in to save words Traditional (Taiwan): 等比級數 děngbǐjíshù ㄉㄥˇ ㄅㄧˇ ㄐㄧˊ ㄕㄨˋ geometric series (such as 1+2+4+8+...) Character by character 等(děng)wait for 比(bǐ)compare 级(jí)level 数(shù)number A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0