piston
noun[C]
uk/ˈpɪs.tən/us/ˈpɪs.tən/ashort,solidpieceofmetalthatmovesup and down inside acylinderin anenginetopressthefuelinto asmallspaceand tosendthepowerproducedby it to thewheels
(发动机)活塞JazzIRT/E+/GettyImages
The engine & engine parts
- air filter
- alternator
- anti-roll
- antifreeze
- biting point
- brake
- cam
- carburation
- catalytic converter
- choke
- combustion chamber
- disc brake
- drive shaft
- gasket
- internal combustion engine
- neutral
- plug
- rev
- suspension
- turbocharger