biological film

• 生物膜

biological film的用法和样例：

例句

1. 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。
2. 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。