天文單位 Save Sign in to save words Simplified: 天文单位 tiānwéndānwèi ㄊㄧㄢ ㄨㄣˊ ㄉㄢ ㄨㄟˋ astronomical unit (AU) Character by character 天(tiān)day 文(wén)surname Wen 單(dān)bill 位(wèi)position A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0