piston
🇺🇸
/ˈpɪstən/
🇬🇧
/ˈpɪstən/
noun
R
A sliding part in an engine that moves up and down or back and forth to make the engine work.
The piston inside the engine moved up and down, creating power for the car.
发动机内的活塞上下移动，为汽车提供动力。
translation
活塞
词形变化
Plural
pistons