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
It's crowded in here.
这里太挤了。
You're so retarded!
你很迟钝呐！
Tomorrow he will be watching her anxiously as she swims the long distance to England.
明天他将焦急地注视着女儿游过这段漫长的距离到达英国。