名词
中文翻译：膜层
同义词：
['membrane', 'film layer', 'thin layer']
例句：
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1.The cell membrane separates the inside of the cell from the outside environment.
细胞膜将细胞内部与外部环境分隔开。
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2. The skin is made up of a membranous layer that protects the body.
皮肤由一层薄膜组成，保护身体。
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3.The researchers found that the membranous layer was responsible for the bacteria's ability to survive in harsh conditions.
研究人员发现，这层薄膜是细菌在恶劣条件下生存的能力所在。