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
Do I have to get it done by noon?
我必须在中午以前做完吗？
I need it for the parking meter.
我需要零钱投停车记时器。
She was a famous actress When I was still at school.
当我还是学生时，她就是个著名的演员了。