Vacuum test(ing)
[化] 真空试验
🧩 词语组成解析
🗣️ 情景例句
Susan, will you marry me?
Susan，你愿意嫁给我吗？
I know the boy whose father is a professor.
我知道那个男孩的父亲是大学教授。
Long car journeys are even less pleasant, for it is quite impossible even to read.
乘汽车作长途旅行则更加不舒服，因为连看书都几乎不可能。