求翻译：壳聚糖(CTS)是目前已知的唯一带有正电荷的碱性多糖，它具有良好的生物相容性、生物可降解性、无毒性和生物粘附性，且有抗菌消炎、促进伤口愈合、抗酸抗溃疡及直接抑制肿瘤细胞的作用，与现有的抗癌药合用可增强抗癌效果。且壳聚糖来源丰富，价格低廉，使得壳聚糖可以作为理想的药物输送材料[3]。是什么意思？

Chitosan (CTS) is the only known with a positively charged basic polysaccharide, it has good biocompatibility, biodegradability, non-toxic and bio-adhesion and anti-bacterial anti-inflammatory and promote wound healed ulcer and acid inhibition of tumor cells directly, in combination with existing an

Chitosan (CTS) is currently the only known with a positive charge, and it is the alkaline polysaccharides good biocompatibility, biodegradable, nontoxic and biological adhesion, anti-inflammatory and anti-bacterial, promoting wound healing, acid-resisting anti-ulcer and directly inhibit tumor cells,

Shell polyose (CTS) is at present known only has the positive charge alkalinity polysaccharide, it has the good biological compatibility, the biology may the degradability, the nontoxicity and the biological coherence, also has the resist bacteria to sterilize, the promotion wound heals, acid-proof

Chitosan (CTS) is currently the only known alkaline polysaccharides with a positive charge, it has good biocompatibility, biodegradability, non-toxic and biological adhesion, antibacterial anti-inflammatory, wound healing, and acid-resistant ulcer and direct inhibitory effect of tumor cells, combine

It is a known only a alkaline many candies with positive charge at present that the shell gather