白洞 Save Sign in to save words báidòng ㄅㄞˊ ㄉㄨㄥˋ white hole (cosmology) Character by character 白(bái)surname Bai 洞(dòng)cave Other words read báidòng baidong with other tones 摆动 Other words read báidòng baidong with other tones 擺動 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0