短语词组短语Scarred ear -drum 耳膜损伤ear -drum 鼓膜layer of ear drum 鼓膜层artificial ear drum 人工鼓膜ear drum membrane 耳鼓膜secondary ear drum 副鼓膜Ear Drum Perforation 鼓膜穿孔perforated ear drum 耳膜穿孔closure fistula ear drum 鼓室瘘闭合术 返回 ear drum