Catalysant
被催化物
🗣️ 情景例句
What's the best way to learn English?
学习英语最好的方法是什么？
Opportunity, sooner or later, comes to all who work and wish.
只要努力工作而有志向，机会迟早终会来临。
What colour are you going to paint it?
你打算把它漆成什么颜色？