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1. Oxford American Dictionary

   escape wheel

   • IPA[əˈskāp (h)wēl]

   • n.
     a toothed wheel in the escapement of a watch or clock.

   • noun: escape wheel, plural noun: escape wheels

2. • 更多解釋

   escape wheel

   • n.
     a toothed wheel in the escapement of a watch or clock.

   Oxford Dictionary