Vacuum technology
[化] 真空工艺
🧩 词语组成解析
🗣️ 情景例句
A critic was there this morning.
一个评论家早上去过了。
Those who climb high often have a fall.
爬得高往往跌得重。
I concluded that they were simply shy of strangers.
我认为这不过是他们在陌生人面前表现出的害羞。