noun🔗Share歯車A wheel with a toothed rim, intended to engage with others, or similar equipment, to form a gear"The old clock's gearwheels turned slowly, marking the passage of time. "古い時計の歯車はゆっくりと回り、時の流れを刻んでいた。machinetechnicalpartdevicesystemindustrytechnologyChat with AIVocabulary GamePractice Reading
