card

英 /kɑːd/ 　美 /kɑːrd/

n. 卡；卡片；证件A small stiff rectangle used for payment, identification, or information.
n. 贺卡；明信片A decorated card sent with a greeting or personal message.
n. 纸牌One of a set of small rectangles used in games.

I tapped my card to pay for the groceries.

我刷卡支付了买食品杂货的钱。

Providing every student with a library card encourages independent reading and improves access to educational resources.

为每位学生办理借书证，有助于鼓励自主阅读，并改善教育资源的获取条件。

搭配

a credit card 信用卡an identity card 身份证件a birthday card 生日贺卡play cards 打牌

play cards指打牌，cards用复数，前面不加冠词。