/ˈfaɪəwɔ:l ||; ˈfaɪrˈwɔl/noun [C] (computing计算机技术) a part of a computer system that is designed to prevent people from getting information without authority but still allows them to receive information that is sent to them 防火墙（计算机系统的组成部份，旨在防止他人未经允许获得信息，但仍可接收信息）