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
Grandpa.
爷爷。
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
She stands on dry land and is visited by thousands of people each year.
它停在陆地上，每年接待成千上万的参观者。