名词
中文翻译：膜状囊
同义词：
['membrane sac', 'membranous sac', 'membrane sac例句：1. The cell membrane is the outer layer of the cell that protects it from the outside world.（细胞膜是细胞的外层，保护细胞免受外界影响。）']
例句：
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1. The cell membrane is the outer layer of the cell that protects it from the outside world.
细胞膜是细胞的外层，保护细胞免受外界影响。
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2.The membranous sac contains a variety of cells and organs.
这个膜状囊包含了各种细胞和器官。
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3.The membranous sac is responsible for filtering waste products from the bloodstream.
这个膜状囊负责过滤血液中的废物。