Piston pump
[化] 活塞泵
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
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 about next Saturday?
下周六如何？
If you have no questions, may I go on to the next stage?
如果你们没有问题了，我可以进行下一阶段吗？
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。