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'm sorry, Marilyn.
对不起 ，Marilyn。
It is not every couple that is a pair.
成双并非皆配偶。
Ice is only as safe as the water from which it is made,
冰块只有当制造冰块的水安全时才是保险的，