週期數 Save Sign in to save words Simplified: 周期数 zhōuqīshù ㄓㄡ ㄑㄧ ㄕㄨˋ periodic number Character by character 週(zhōu)week 期(qī)period 數(shù)number A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0