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gear (n)/ɡɪr//ɡɪər/a device, often consisting of connecting sets of wheels with teeth (= points) around the edge, that controls how much power from an engine goes to the moving parts of a machinehộp số  Does your car have five or six gears? I couldn't find reverse gear. Mechanics worked diligently to repair the intricate gear system of the clock. Từ vựng khác:equipment check , buddy system , square , on hand , trail |