書牘 Save Sign in to save words Simplified: 书牍 shūdú ㄕㄨ ㄉㄨˊ letter wooden writing strips (arch.) general term for letters and documents Character by character 書(shū)book 牘(dú)documents Other words read shūdú shudu with other tones 熟讀 書蠹 數獨 Often confused with shudu 速度 速讀 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0