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
I think it's time for the wedding to begin.
我想是婚礼可以开始的时候了。
Nothing venture, nothing win (or have or gain).
不入虎穴，焉得虎子。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，