生物膜

biological film的用法和样例：

例句

A thin skin or film,such as an organic membrane or a liquid film.薄皮，薄膜如生物膜或液体膜等细薄的皮或膜。
Bacteria in such a film are embedded in a polymer matrix, which makes them harder to kill than isolated individuals.在生物膜中的细菌镶嵌在聚合物基质中，使得它们比孤立的个体更难以杀死。

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