Nash pump
[化] 纳氏泵; 液封型真空泵; 纳氏泵
🧩 词语组成解析
n. 纳什（姓氏）
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
I hate this.
我讨厌这个
He guessed the train would come in early.
他猜想火车会很早到达。
Sure. See you tomorrow. Goodbye!
当然。明天见。再见！