bacterial capsule

例句：

1. 1. The bacteria inthe soil are enclosed within a bacterialcapsule.
   土壤中的细菌被包裹在细菌囊中。
2. 2. The study of bacterial capsules hasled to new insights into antibiotic resistance.
   对细菌囊的研究揭示了抗生素耐药性的新见解。
3. 3.The bacteria capsule is a protective layer thatprotects the bacteria from environmental factors.
   细菌囊是一层保护层，保护细菌免受环境因素的影响。