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perforated eardrum

n. an eardrum with a hole or tear in it; can interfere with normal hearing and cause other ear problems

1、鼓膜穿孔

耳膜/鼓膜穿孔（perforated eardrum）人士禁用，适用于其他全部人群。

医药科学

n.an eardrum with a hole or tear in it; can interfere with normal hearing and cause other ear problems

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