heterogeneous

heterogeneous
/ˌhetərəˈdʒi:nɪəs; ˌhɛtərə`dʒinɪəs/ adj
made up of different kinds; varied in composition由不同种类组成的; 成分混杂的
    the heterogeneous population of the USA, ie of many different races由不同种族组成的美国人口. Cf 参看 homogeneous.

牛津英汉双解词典