Multistage centrifugal pump
[机] 多级离心泵
🧩 词语组成解析
a. 多级的, 多阶段的\\n[机] 多级
centrifugal
[sen'trifjugəl]
adj. 离心的;
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
Hail to the victors valiant,
向勇敢的胜利者致敬，
How long have you studied English?
你学英语多久了？
I'm afraid that he'll forget it if he misses so many lessons. He may even fail his Chinese exam.
如果他再缺这么多课，恐怕他会忘记很多的。他的汉语考试甚至会不及格。