Forvacuum
预(抽)真空
🗣️ 情景例句
I know all the ins and outs of the business.
我重新夺得关于这件事所有的详情。
No, it isn't. It's a bus.
不，那是一辆公共汽车。
Hi, Ling Feng! That's a nice kite!
喂，凌峰，那个风筝好漂亮。