Hyvac pump
[化] 海瓦克真空泵
🧩 词语组成解析
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Nice girl.
好女孩。
It's an honor to be speaking to you today.
今天跟你们说话至感荣幸。
It was a pleasure. Bye!
不客气。再见！