noun🔗Share톱니바퀴A wheel with a toothed rim, intended to engage with others, or similar equipment, to form a gear"The old clock stopped because one of the brass gearwheels had broken its teeth. "오래된 시계는 놋쇠 톱니바퀴 중 하나가 이빨이 부러져 멈췄다.machinetechnicalpartdevicetechnologysystemChat with AIVocabulary GamePractice Reading
