名词
中文翻译：Unknown
同义词：
['outer cell membrane', 'outer plasma membrane']
例句：
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1. Thescientist isolated the ectonexine from the cells and studied its structure.
科学家从细胞中分离出了外层细胞膜，并研究了其结构。
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2.The outer cell membrane is crucial for cellular communication.
外层细胞膜对于细胞间的通讯至关重要。
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3. The outer plasma membrane is responsible for protecting the cell from external threats.
外层血浆膜负责保护细胞免受外部威胁。