乳突 rǔtū mastoid process Definitions Defs Origin Strokes Stroke Words Sentences Sents 乳突窦 rǔtūdòu mastoid antrum mastoid antrum (the air space behind the tympanic cavity)人类乳突病毒 rénlèirǔtūbìngdú human papillomavirus human papillomavirus (HPV)
