card key
noun /ˈkɑːd kiː/
/ˈkɑːrd kiː/
(especially North American English) (also key card British and North American English)
- a special plastic card with information recorded on it that can be read by an electronic device, which can be used instead of a door key
卡钥匙:一种特殊的塑料卡,上面记录有信息,可以用电子设备读取,可以代替门钥匙使用