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
And what does your father do?
令尊是做什么的？
What beautiful trees those are!
那些是多么美丽的树呀！
We need these things right away.
这此东西我们马上就要。