also fire-wall, 1851 as a physical wall meant to prevent the spread of fire in a structure, from fire (n.) + wall (n.). Computer sense (originally figurative) is by 1990.
双语例句
1. New technology should provide a secure firewall against hackers.
新技术应该能提供安全可靠的防火墙抵御黑客袭击。
来自柯林斯例句
2. You may need to reconfigure the firewall if you add a new machine to your network.
如果在网络中增加新计算机，可能就得重新设定防火墙。
来自《权威词典》
3. A firewall provides an essential security blanket for your computer network.
防火墙为计算机网络提供了基本安全保障。
来自《权威词典》
4. I can erect a firewall limit his access to a bare minimum.
我可以建立一个防火墙来限制它最小限度进入我们的系统.
来自电影对白
5. A: This is normal if you're behind a firewall or a router.
