dual/ˈdju:əl; ?@ ˈdu:əl; `duəl/ adj[attrib 作定语]having two parts or aspects; double 两部分的; 二体的; 二重的; 双的 his dual role as composer and conductor 他兼作曲家及指挥的双重身分 She has dual nationality, ie is a citizen of two different countries. 她兼有双重国籍.
牛津英汉双解词典