Catalog(ue) number
[化] 产品样本号
🧩 词语组成解析
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
What's your first name?
你的名字叫什么？
As far as policy is concerned, I have to say something.
谈到政策，我得说几句。