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
OK. What time is it?
好啊。什么时候？
I ask him to pay you now.
我要求他现在付钱给你。
Just look at what you've done!
看看你都做了些什么！