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
What broke up their friendshop?
是什么破坏了他们的友情呢？
One should eat to live, not live to eat.
人为生而食，非为食而生。
It has sailed across the Atlantic many times.
它已经多次横渡大西洋。