not yet having acquired the ability to read and write
used of a society that has not developed writing
同义词：nonliterate
preliterate详细解释
pre.lit.er.ate adj.（形容词）Of, relating to, or being a culture not having a written language.没有文字的：没有文字语言的文化的、与之相关的或属于之的n.（名词）A person belonging to such a culture.属于这种文化的人
