Vacuum purge
[化] 真空驱气
🧩 词语组成解析
🗣️ 情景例句
He made up with his girlfriend.
他和女朋友和好了。
What can I say?
我能说些什么呢?
Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
因此，我们不时地掉过头，怀疑车后是否留下了机油和汽油的痕迹。