Security marker
01
安全标记笔, 安全笔
a special pen filled with ink that has unique properties, like glowing under UV light, used to mark items for security or proof of authenticity
例子
During the event, security personnel marked attendees ' tickets with a security marker to prevent unauthorized entry.
在活动期间，安保人员用安全标记笔标记了参与者的门票，以防止未经授权的进入。
