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
I can't express myself very well in English.
我用英语表达不好。
It took him a long time to make up his mind.
下决心花了他很长时间。
We'd like you to change shippers for the next order.
下次的货我们希望换一家运输公司。