noun🔗Share齿轮箱，变速箱 An enclosed gear train."The mechanic checked the car's gearbox for any signs of damage. "机械师检查了汽车的齿轮箱，看看有没有损坏的迹象。machinetechnicalvehiclepartsystemChat with AIVocabulary GamePractice Reading
noun🔗Share变速箱，齿轮箱 That part of a car's transmission containing the train of gears, and to which the gear lever is connected."The mechanic said the grinding noise was likely a problem with the gearbox of my car. "技工说那种刺耳的噪音很可能是我的汽车变速箱出了问题。vehiclemachineparttechnicalChat with AIVocabulary GamePractice Reading
