Vacuum technique
[化] 真空技术
🧩 词语组成解析
🗣️ 情景例句
Very well, sir. You'll have them as soon as possible.
好的，先生。我会尽快送过去。
I'm sleeping upstairs.
我在楼上睡觉。
Justice is part of the complex machinery of the law.
正义是复杂的法律机器组成部分。