Vacuum test(ing)
[化] 真空试验
🧩 词语组成解析
🗣️ 情景例句
Thank you.
谢谢 。
No. It's only a little way.
不远，只有一小段路。
Oh dear! You mean I'm too fat? That is a problem! said Mrs Brown.
“天哪！你的意思是说我太胖了吧？这是个问题！”布朗夫人说