leukonoid

例句：

1. 1.The leukonoid is a substance that stimulates the immune system.
   白细胞素是一种刺激免疫系统的物质。
2. 2. The leukonoid was discovered to have anti-cancer properties.
   白细胞素被发现具有抗癌性质。
3. 3.The leukonoid has been used in cancer treatments for decades.
   白细胞素在癌症治疗中已经使用了几十年。