Catalysts
n. <化>催化剂( catalyst的复数形式 ); 触媒; 促进因素; 有感染力的人
🗣️ 情景例句
You don't know up from down.
你黑白不分。
I'm old enough to make up my own mind.
我是够年纪做自己的决定了。
I think you had better come out to the factory.
我看你最好走一趟工厂，