名词
中文翻译：后半规管
同义词：
['posterior semicircular canal', 'posterior semicircular duct']
例句：
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1. The doctor inserted a catheter into the patient's posterior semicircular canal to relieve his symptoms.
医生将一根导管插入患者的后半规管，以缓解他的症状。
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2. During surgery, the surgeon had to manipulate the posterior semicircular canal to access the brain tissue.
在手术过程中，外科医生必须操作后半规管来接触脑部组织。
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3. The patient was advised to avoid activities that could strain the posterior semicircular canal, such asintense sports or heavy lifting.
患者被建议避免可能导致后半规管受伤的活动，如剧烈运动或重物搬运。