noun🔗ShareキーカードA usually plastic card which stores a digital signature that is used to operate an electronic access control lock."The office workers used their keycards to enter the building after hours. "オフィスワーカーは、時間外に建物に入るためにキーカードを使用しました。technologyelectronicsbuildingdeviceitemChat with AIVocabulary GamePractice Reading
