Catalyst activity
[化] 催化剂活性
🧩 词语组成解析
🗣️ 情景例句
I understand what you're saying.
我明白你说的意思。
I picked up my cards.
我捡起了我的卡片。
This was more than we could bear, so we decided to spend our last day exploring the countryside.
人多得使我们难以忍受，于是我们决定利用最后一天去乡间一游。