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
The woods are lovely, dark and deep,
林子迷人 漆黑而深邃
Can I be sure of a profit if I invest?
我要是投资，肯定能获利吗？
'I was in my office as usual,' answered the Ambassador.
“我和往常一样，在办公室里，”大使回答说。