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freewheel

/free-hweel, -weel/US // ˈfriˈʰwil, -ˈwil //UK // (ˌfriːˈwiːl) //

飞轮,空转轮,自由轮,空转离合器

Related Words

Definitions

n.名词 noun
  1. 1
    • : a device in the transmission of a motor vehicle that automatically disengages the drive shaft whenever it begins to turn more rapidly than the engine.
    • : a form of rear bicycle wheel that has a device freeing it from the driving mechanism, as when the pedals are stopped in coasting.
v.无主动词 verb
  1. 1
    • : to coast with the wheels disengaged from the driving mechanism.
    • : to move or function freely, independently, unconcernedly, or the like: The two friends freewheeled around the country after graduation.

Synonyms & Antonyms