control agent

• n. 控制介质；调节体

例句

用作名词 (n.)

1. By adding water you could inactivate the antimicrobial control agents in the formula leaving the product open to bacteria growth which is not a good thing.
   可是加上水会使配方中的抗菌控制介质没有那么活跃，导致产品会出现提供细菌增长空间这个弊端。