Read Edit View history 防火墙 fánghuǒqiáng HSK7 firewall Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 防火墙/防火牆 · fánghuǒqiáng · firewall 2026/03/04 防火墙 / 防火牆 fánghuǒqiáng firewall firewall 为了保护网络安全，公司安装了强大的防火墙。 noun created sense Mar 4, 2026, 02:25 AM