Vacuum test(ing)
[化] 真空试验
🧩 词语组成解析
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
Allow me to clear up this confusion.
容许我澄清这种混淆。
Hello. Can I speak to Eric, please?
喂。请艾瑞克接电话好吗？