Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. yuánfāxìngjìnxíngxìngshīyǔ 原发性进行性失语 primary progressive aphasia (PPA), speech disorder (sometimes related to dementia) yuánfāxìngjìnxíngxìngshīyǔ 原發性進行性失語 primary progressive aphasia (PPA), speech disorder (sometimes related to dementia)