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
Do you have any magazines I can read during the flight?
你们机上有杂志给我看吗？
To iron clothes
熨衣服
CUSTOMS OFFICER: Your passports, please.
请出示们的护照。