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
Thank you very much for a wonderful party.
非常感谢你组织了这么精彩的聚会。
Rain before seven: fine before eleven.
早雨不过午。
What about her?
她呢？