When the polymer forms a condensed, well-defined layer closely surrounding the cell, it is called the capsule.

当这些紧紧围绕细菌的的多聚体形成浓集，边界明显的一层时称为荚膜。

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When the polymer forms a condensed, well-defined layer closely surrounding the cell, it is called the capsule.

当这些紧紧围绕细菌的的多聚体形成浓集，边界明显的一层时称为荚膜。

youdao