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
Then you're not upset
那么 ，你没有感到不快
We are supposed to help each other.
我们理应彼此帮助。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下钢盘混凝土平台上。