Oscillating plunger pump
[化] 摆动活塞泵
🧩 词语组成解析
[计] 振荡的
plunger
[['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
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
The darkest evening of the year.
在这一年中最漆黑的夜晚 。
Thank you for inviting me.
谢谢你邀请我。
5 What makes you feel that you are doing well?
5。是什么使你感到自己干得不错？