熬膏 Traditional form: 熬膏 Pinyin (reading): áogāo Definitions: to simmer to a paste Characters: 熬 - to boil, to simmer; to endure pain 膏 - grease, fat; ointment, paste Traditional characters: 熬 - to boil, to simmer; to endure pain 膏 - grease, fat; ointment, paste