天平動 Save Sign in to save words Simplified: 天平动 tiānpíngdòng ㄊㄧㄢ ㄆㄧㄥˊ ㄉㄨㄥˋ libration astronomy Character by character 天(tiān)day 平(píng)surname Ping 動(dòng)move A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0