Catalyst activity
[化] 催化剂活性
🧩 词语组成解析
🗣️ 情景例句
Ah, yes. Flour, sugar, butter.
对了。 粉 糖 牛油。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
I visited museums and sat in public gardens.
我参观了博物馆，还去了公园。