Polysaccharides are natural macromolecule compound.They have such a lot creatives as immunomodulation,anti cancer and low toxicity.是什么意思_Polysaccharides are natural macromolecule compound.They have such a lot creatives as immunomodulation,anti cancer and low toxicity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句