Molecular pump
[化] 分子泵; 高真空泵; 分子抽机
🧩 词语组成解析
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
When was the last time?
最近一次是什么时候？
Little children have the most fun playing make-believe.
儿童很喜欢幻想的游戏。
Both! American spellings are used more and more in Canada now.
两种都用！现在在加拿大人们越来越多的采用美国拼法了。