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
You know we'd all miss you.
你知道我们都会思念 。
One cannot make bricks without straw.
巧妇难为无米之炊。
I can't do that, Mr Tiger, said the monkey.
“我不能这么做呀，老虎先生，”猴子说