piston
🇺🇸
/ˈpɪstən/
🇬🇧
/ˈpɪstən/
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.
엔진 안의 펌프가 위아래로 움직여서 자동차에 힘을 만듭니다.