Reciprocating vacuum pump
[化] 往复式真空泵
🧩 词语组成解析
[医] 交互的, 往复的
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 I've had enough of that sandwich.
我想我已经吃够了三明治。
This is our most recently developed product.
这是我们最近开发的产品。
Then we're going to have to shop it in different lots.
那我们是要分开送了。