camshaft

IPA/ˈkæmʃɑːft/
KK[kˈæmʃˌæft]IPA/ˈkæmʃæft/

camshaft — noun

  • camshaftsingular
  • camshaftsplural

1. a long metal shaft in an engine that carries cams and controls when the valves o

1.名詞C1
釋義

a long metal shaft in an engine that carries cams and controls when the valves open and shut.

例句

The mechanic replaced the worn camshaft after the engine started losing power.

replace a worn camshaft

Wei checked the camshaft before sliding the rebuilt engine back into the car.

同義詞
  • cam

    used informally in workshop talk, but it can also mean one lobe rather than the whole shaft

  • overhead cam

    a more specific term for a camshaft mounted above the valves

文法句型

replace a camshaft

camshaft in an engine

用法筆記

Mostly used in car and machine repair. It often follows verbs such as replace, install, inspect, and align, and it commonly appears in compounds such as overhead camshaft.

常見錯誤

❌The camshaft sends power to the wheels.
✅The camshaft controls the valves, while other parts pass power to the wheels.
💡a camshaft manages valve timing inside the engine; it does not drive the wheels directly.
❌The mechanic replaced one cam when the whole camshaft was worn.
✅The mechanic replaced the camshaft because the lobes were worn down.
💡a cam is one shaped part on the shaft; the camshaft is the complete engine part.