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
He makes a good living.
他过得很优裕。
Love and business teach eloquence.
爱情和买卖可以培养口才。
Well,you mustn't play in the road.It's dangerous. A car may hit you.
嗯，你不可以在路上玩球。那是很危险的。汽车会撞着你。