chiefsn.首领（chief的复数）chiefadj.主要的；首要的n.首领Chief Joy Officerph.Chief Art Officerph.chief's assistant陪伴机理, 陪伴机制chief compositionn.主合成群列chief contaminant首要污染物chief of a family家长Chief Web Officerph.chief comptroller主计长,总稽核chief electrician首席灯光师chief ventilators主要通风机