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
Chopsticks are traditionally placed in brides dowries.
筷子在传统上是被当作新娘的嫁妆。
Speak of angels and you will hear their wings.
说到曹操，曹操就到。
Is there anything else that I ought to get?
我还该弄点别的什么东西吗？