Vacuum-pumping
[化] 真空排气
🧩 词语组成解析
n. 抽水, 泵送\\n[化] 抽运
🗣️ 情景例句
All right.
好的。
Misfortunes never (seldom) come alone (single).
祸不单行。
Some devices were quite simple.
有些装置非常简单。