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
Please sit down, Alexandra.
请坐 Alexandra。
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
He named the country Ao-tea-roa which means the land of the long,white cloud.
他将这个地方称之为"奥蒂罗"。意思是白云绵绵的地方"。