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Wax or foreign bodies blocking the ear canal can cause hearing loss at any age.
蜡或异物阻塞耳道在任何年龄都会造成听力丧失。
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Retrogressive lumbar canal stenosis is closely associated with factors such as age, trauma, and physical labor with strong intensity.
退行性腰椎管狭窄症与年龄、外伤、高强度体力劳动等因素有关。
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