读卡机

例句：

1. 1. This new card reader is very convenient for us.
   这个新的读卡机对我们来说非常方便。
2. 2. The bank uses a card reader to process transactions.
   银行使用读卡机来处理交易。
3. 3. The security guard checks the card reader before entering the building.
   保安在进入大楼前检查读卡机。