fire-proof wall防火壁;耐火墙
fire-resistant wall耐火墙
financial fire-wall金融防火墙
fire-rated wall防火墙
fire-preventing wall防火墙
fire-wall proofs防火墙
fire-protecting wall防火墙
Fire-resistive Wall耐火墙
fire-retardant wall阻燃墙
N-COUNT（可数名词） A firewall is a computer system or program that automatically prevents an unauthorized person from gaining access to a computer when it is connected to a network such as the Internet. (网络) 防火墙 [计算机]
New technology should provide a secure firewall against hackers.
新技术应该提供一个安全的防火墙以防御黑客。