Forevacuum
[化] 前级真空
🗣️ 情景例句
OK, sir, just sit tight, and we'll have an ambulance there in about ten minutes.
好的，先生。你就在那边等着，救护车10分钟之内到。
If the old dog barks,he gives counsel.
老狗叫，是忠告。
I think that may be the problem.
我想问题就在这里。