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
And we're going to warm down with a tango.
我们用探戈舞步来舒缓。
The builders are already making plans.
建筑家们已经在着手计划了。
It has a span of 4,260 feet.
桥长4，260英尺。