pneumococcal polysaccharide

例句：

1. 1.The pneumococcal polysaccharide vaccine is effective in preventing respiratory infections.
   肺炎球菌多糖疫苗能有效预防呼吸道感染。
2. 2. The study found that the pneumococcal polysaccharide could be used as a natural antibiotic.
   研究发现，肺炎球菌多糖可以作为天然抗生素使用。
3. 3. The pneumococcal polysaccharide has been shown to have anti-inflammatory properties.
   研究表明，肺炎球菌多糖具有抗炎作用。