单词	rolling friction
释义	rolling friction noun : resistance to motion by bodies that are in rolling contact Word History First Known Use 1839, in the meaning defined above
随便看	afear afeard afearder afeardest afeared afearing afears afebrile afernan aff aff loof affabilities affability affable affableness affablenesses affabler affablest affablier affabliest affably affair affaire affaire d'amour affaire d'honneur

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