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
They're both students of the performing arts.
他们两个都是的搞表演艺术的学生。
Caution is the parent of safety.
谨慎小心是安全之源。
This work itself is very easy.
这件工作本身很容易。