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
Fine, thank you.
很好， 谢谢你 。
Do you have an appointment?
你有预约吗？
The whole village soon learnt that a large sum of money had been lost.
整个村子很快知道，有一大笔钱丢失了。当地的屠户萨姆。