“疑是”一词常见于唐人诗词中。“疑是”的“疑”是什么意思呢?蔡仪主编的高等学校文科教材《文学概论》写道:“又如李白的《望庐山瀑布》:‘日照香炉生紫烟,遥看瀑布挂前川。飞流直下三千尺,疑是银河落九天。’这里描写的虽是庐山瀑布,但也有一个观赏的作者,就是‘看’和‘疑’的人。”王易鹏选注《古代诗歌选》中的《望庐山瀑布》“说明”写道:“几乎疑心是天 The word “suspected” is common in Tang poetry. “Doubt” is “doubt” What does this mean? Cai Yi editor of the higher education textbook “Literature Introduction” wrote: “Another example of Li Bai's” Hope Lushan Waterfall “: 'Rizhao incense raw purple smoke, Qianchuan. Flying down three thousand feet, suspected Galaxy nine days. 'Although the description here is the Lushan waterfall, but there is also a watch author, is' look' and 'suspect' people. ”In the“ Look Lushan Waterfall ”“ Description ”wrote:" Almost suspect is the sky