a deck of (playing) cards

• 一副纸牌

a deck of (playing) cards的用法和样例：

例句

1. This instrument, the size of a deck of cards, enabled the researchers to study diamonds that could not be removed to a laboratory.
   该仪器仅一副纸牌大小，使得研究人员可以对无法拿到实验室检测的钻石进行研究。