Catalyst unit
[建] 催化单元
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
This is Susan with Jiaotong University student. May I have your name, sir?
我是交通大学的在校生苏珊，请问您贵姓？
Our first bill came yesterday, and we have some questions.
我们昨天收到的第一张帐单，有一些问题。
I think you got it last time.
我记得上回也是你请的。