Vacuum heater
[化] 真空加热器
🧩 词语组成解析
🗣️ 情景例句
Sit down, sit down.
请坐， 请坐。
The cat followed her everywhere she went.
无论她到哪，那只猫都跟着她。
The long hours in the office or the factory bring with them as their reward,
在办公室或工厂里长时间的工作给他们带来了酬劳，