Variable-speed pump
[化] 变速泵
🧩 词语组成解析
speed
[spid]
n. 速度;快速;昌盛;（汽车的）变速器，排挡;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;兴隆;
vt. 加快…的速度;使成功，使繁荣;
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
What's your job like?
你的工作怎么样？
To blow smoke rings
喷出烟圈
It has always been a mystery to me who city dwellers, who appreciate all these things, obstinately pretend that they would prefer to live in the country.
城里人对这一切心里很明白，却偏要执拗地装出他们喜欢住在乡村的样子，这对我来说一直是个谜。