base catalyst

例句：

1. 1.The base catalyst is crucial for the reaction to occur.
   这个基础催化剂对于反应的发生至关重要。
2. 2. The new drug has a base catalyst that helps it work more effectively.
   这种新药有一个基础催化剂，使它工作得更有效。
3. 3.The base catalyst was designed to speed up the chemical reaction.
   这个基础催化剂被设计用来加速化学反应。