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
this community can do anything to benefit its citizens,
这个社区可做任何造福居民的事情，
Why did't you go home?
为什么你不回家？
After he has retired, he will devote himself to gardening.
他退休后，将致力于园艺。