Vacuum purge
[化] 真空驱气
🧩 词语组成解析
🗣️ 情景例句
What would you like for dessert?
甜点吃什么？
Catch me later.
过会儿再来找我。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。