zhè / duàn / wén / zì / jiē / lù / le / sān / guāng / zhèng / cè / gěi / dāng / dì / bǎi / xìng / dài / lái / de / shēn / zhòng / zāi / nàn这段文字揭露了三光政策给当地百姓带来的深重灾难。This passage exposes the profound suffering that the Three Alls Policy brought to local people.