Vacuum test(ing)
[化] 真空试验
🧩 词语组成解析
🗣️ 情景例句
Oh, thank you.
啊 ，谢谢。
I haven't the slightest idea.
我一点儿都不知道。
It's between the post office and the hospital.
它就在邮电局和医院之间。