Netta person whose job is to design or build machines, engines, or electrical equipment, or things such as roads, railways, or bridges, using scientific principles: a civil engineer 土木工程師. 社會工程施行者. social engineer uk / ˌsəʊ.ʃəl ˌen.dʒɪˈnɪər/ us / ˌsoʊ.ʃəl ˌen.dʒɪˈnɪr/ noun.