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
What are you working on?
你在干什么？
That which is evil is soon learnt.
恶行易学。
Then we played some games.
接着我们做游戏。