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
She majored in math and physics at university.
她在大学里主修数学和物理。
Only that which is honestly got is gain.
正当的收入才是真正的收入。
and so they gradually acquire a value beyond their true worth.
因此这些东西慢慢获得了一种超出它本身的价值。