The mucilaginous covering often found around the cell membrane in bacteria.
The mucilaginous covering often found around the cell membrane in bacteria.
3荚膜：在细菌细胞膜中发现的具有粘性的覆盖物。
The mucilaginous covering often found around the cell membrane in bacteria.
3荚膜：在细菌细胞膜中发现的具有粘性的覆盖物。