Plunger pump
[化] 活柱泵
🧩 词语组成解析
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
How much do stamps cost?
邮票多少钱？
Your car hit me and now I demand the money to pay the doctor with!
你的汽车撞了我，所以我要求你支付赔偿。
People had to use other ways to record information.
人们只得使用其他方法记录资料。