Demonstration unit
[化] 示范装置
🧩 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
With your background and experience,
依你的背景和经验，
I would like to make a long distance call to Taibei.
我想打个长途电话到台北去。
Time is more valuable than money.
时间比金钱宝贵。