是摹仿自然界中非语言的声音，其发音和所描写的事物的声音很相似，使语言显得生动，富有表现力。

　　(1) On the root of the school house somepigeons were softly cooing.

　　在学校房屋的屋顶上一些鸽子正轻轻地咕咕叫着。

　　(2) She brought me into touch witheverything that could be reached or felt—sunlight, the rustling of silk, thenoises of insects, the creaking of a door, the voice of a loved one

　　她使我接触到所有够得着的或者感觉得到的东西，如阳光呀，丝绸摆动时的沙沙声呀，昆虫的叫声呀，开门的吱嗄声呀亲人的说话声呀。