名词
中文翻译：Unknown
同义词：
['spinal decompression', 'spinal surgery', 'spinal removal']
例句：
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1. The patient underwent a hemilaminectomy to relieve pressure on his spine.
患者接受了一次脊髓切除术，以缓解对脊柱的压力。
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2. The surgeon performed a hemilaminectomy to remove the tumor from the patient's spine.
外科医生进行了一次脊髓摘除术，将肿瘤从患者的脊柱中移除。
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3. The hemilaminectomy was successful in alleviating the patient's pain and improving his mobility.
这次脊髓切除手术成功地减轻了患者的疼痛并改善了他的活动能力。