key card
US /ˈkiː kɑːrd/
UK /ˈkiː kɑːrd/
1.
房卡, 钥匙卡
a plastic card with a magnetic strip or embedded microchip that is used to open a door or operate a device, especially in hotels or secure buildings
:
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I used my key card to access my hotel room.
我用房卡进入了我的酒店房间。
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Please remember to return your key card at check-out.
请记得在退房时归还您的房卡。