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
She wants to know
她想知道
Could you tell me the cost of production per unit?
请你告诉我每件成品的生产成本好吗？
OK. Let me help you. There!
好，让我来帮你。