词典论坛联络

Google | Forvo | +

Card Validation Code

微软 card validation code (A code that credit card companies use to authorize credit card charges. For example, American Express uses a four-digit number on the front of the credit card, and Visa, MasterCard, and Discover use a three-digit number on the back)

增加 | 报告错误 | 获取短网址