card/ kɒːd /

1.noun [c] 
(record card,index card etc) 卡片

2.noun [c] 
(also: playing card) 扑克牌

3.noun [c] 
(greetings card) 贺卡

4.noun [c] 
(also: business card) 名片

5.noun [c] 
(bank card,credit card etc) 信用卡

6.noun [c] 
(membership card) 会员卡

7.noun [u] 
(material) 厚纸板

to play cards
打牌