event filter

例句：

1. 1. The event filter is used to block certain types of content from being displayed on the website.
   事件过滤器用于阻止某些类型的内容在网站上显示。
2. 2.The event filter is a crucial part of the security system that helps protect against malicious attacks.
   事件过滤器是安全系统的关键部分，有助于防止恶意攻击。
3. 3. The event filter can be set up to automatically block inappropriate content based on user preferences.
   事件过滤器可以设置为根据用户偏好自动屏蔽不当内容。