extracellular polysaccharide的用法和樣例：
例句
- Seperation, Purification and Property of Extracellular Polysaccharide from Porphyridium sp.
紫球藻胞外多糖的分離純化與性質(zhì)分析。 - Curdlan is a natural microbe exocellular polysaccharide, which has distinctive physics &chemistry characterization and immune irritancy activity.
摘要凝膠多糖是一種天然的微生物胞外多糖，具有獨特的理化性質(zhì)及免疫刺激活性。
