noun🔗Share钥匙卡，门禁卡 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. "下班后，办公室职员们用他们的门禁卡进入大楼。technologyelectronicsbuildingdeviceitemChat with AIVocabulary GamePractice Reading
