link stopper

例句：

1. 1. The link stopper isa device that prevents the spread ofviruses on the internet.
   链接阻止器是一种防止互联网上病毒传播的设备。
2. 2. The link stopper was designed to prevent people from accessing sensitive information online.
   链接阻止器被设计用来防止人们在网上访问敏感信息。
3. 3. Thelink stopper has been widely used inschools to protect students' privacy online.
   链接阻止器在校园中广泛使用，以保护学生的在线隐私。