playing-card:扑克牌中的一张牌(如红桃A、黑桃K等);也可泛指“纸牌游戏用的牌”。常用作可数名词:a playing card / playing cards。
/ˈpleɪɪŋ kɑːrd/
I found a playing card under the sofa.
我在沙发下面发现了一张扑克牌。
He performed a magic trick, making a playing card disappear and reappear in my pocket.
他表演了一个魔术,让一张扑克牌消失又出现在我的口袋里。
playing 来自 play(玩、游戏),card 来自拉丁语 charta(纸张、纸片,亦为“卡片/纸牌”的来源)。合起来 playing-card 字面意思就是“用来玩游戏的纸牌”。