防火 fánghuǒ fireproofing Origin Definitions Defs Strokes Stroke Words Sentences Sents 防火墙 fánghuǒqiáng firewall 防火梯 fánghuǒtī fire escape 防火道 fánghuǒdào firebreak 防火长城 Fánghuǒ Chángchéng Great Firewall Great Firewall of China (system for restricting access to foreign websites)