key card
Longman Dictionary of Contemporary English 5++LDOCE 5++ˈkey card noun [countable] TENTERa special plastic card that you put in an electronic lock to open a door etc 〔电子门锁的〕钥匙卡
Examples from the Corpus
key card• A key card numbering the various positions was mounted on the top of the tachistoscope.• The night staff finally congregated outside my room trying endless combinations of key card whilst I ranted and raved.ˈkey card nounChineseSyllable
you put in plastic electronic an that special Corpus lock a card
key card
ˈkey card
noun [countable]
a special plastic card that you put in an electronic lock to open a door etc
ˈkey card
noun [countable]a special plastic card that you put in an electronic lock to open a door etc
especially