名词
中文翻译：严肃的膜
同义词：
['serious membrane', 'serious lining', 'serious partition']
例句：
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1.The patient was taken to the operating room for surgery.
病人被送往手术室接受手术。
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2. The scientist used a microscope to examine the sample.
科学家使用显微镜来检查样本。
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3. The two countries have been at odds over recent years.
两国近年来一直存在分歧。