| 单词 | key card | 
| 释义 | key card Word forms:  key cards   countable noun A  key card is a small plastic card which you can use instead of a key to open a door or barrier, for example in some hotels and car parks.   We kept taking it in turns to try the key card and got the giggles.   Image of key card     © 08/05/2018, Shutterstock Translations: Chinese: 门卡 Japanese: カード式かぎ | 
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