Packaged vacuum unit
[化] 小型真空设备
🧩 词语组成解析
packaged
[['pækidʒd]]
a. 包装过的
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
is my idea of heaven!
正是我所谓的天堂
I think it's going to be a nice day.
我想今天会是一个好天。
They devise hundreds of competitions which will enable us to win huge sums of money.
他们设计数以百计的竞赛，竞赛中有人可赢得巨额奖金。