inhibitory substance

例句：

1. 1. The drug was found to be inhibitory to the growth of cancer cells.
   该药物被发现对癌细胞的生长具有抑制作用。
2. 2.The new policy is intended to be inhibitory to corruption.
   新政策旨在抑制腐败。
3. 3.The research suggests that certain foods may have an inhibitory effect on the immune system.
   研究表明某些食物可能对免疫系统有抑制作用。