Vacuum diffusion pump
[化] 真空扩散泵
🧩 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
Yes, you are through with it. I hope you will enjoy your stay in China.
是的，检查完毕。希望您在中国过得愉快。
He who has health, has hope, and he who has hope, everything.
身体好就有希望，有希望就有一切。
The Americans would happily reach one accord on standards for medical devices and them hammer out different pacts covering,say,
美国人很愿意就医疗器械的标准达成一个协议，然后推敲出不同的合同，用以涵盖 --比如说