noun🔗Share钥匙卡，磁卡。 A usually plastic card which stores a digital signature that is used to operate an electronic access control lock."She swiped her keycard at the office door to unlock it. "她用钥匙卡刷了一下办公室的门，把门打开了。technologyelectronicsbuildingChat with AIVocabulary GamePractice Reading
