Vacuum test(ing)
[化] 真空试验
🧩 词语组成解析
🗣️ 情景例句
Mary, we're going to miss you.
玛丽，我们会很想你的。
This price is subject to change without notice.
此价格可以不经通知自行调整。
he has just bought a new house in the city,
他刚在城里买下一所新房子，