adj.恶习不改的，不思悔改的

The old factory remains unregenerated, a stark reminder of the area's industrial past.
这座旧工厂依然未得到改造，鲜明地提醒着人们这片区域的工业历史。
Despite numerous efforts, the polluted river remained unregenerated for years.
尽管多次尝试，这条被污染的河流多年里仍未恢复原貌。
The abandoned lot was an unregenerated eyesore in the heart of the city.
这片废弃的土地是城市中心一处未被改善的丑陋景象。
The derelict building stood as a symbol of unregenerated urban decay.
这座废弃的建筑成了城市衰败未得改善的象征。
The once-thriving fishing village now lies unregenerated, a victim of overfishing.
曾经繁荣的渔村如今依然未得到复兴，成为了过度捕捞的牺牲品。
The community hoped that the new government would bring regeneration to their unregenerated neighborhood.
社区期待新政府能给这个未被改造的社区带来复兴。
Despite the economic downturn, the downtown area has remained stubbornly unregenerated.
即使经济衰退，市中心仍然顽固地保持着未改造的状态。
The unregenerated forest land was a testament to the need for sustainable forestry practices.
未被修复的森林土地证明了实施可持续林业的重要性。
The abandoned mine site, still unregenerated, posed serious environmental hazards.
那个被遗弃的矿场仍未得到修复，构成了严重的环境风险。
The unregenerated marshland served as a refuge for a variety of rare wetland species.
未被改造的沼泽地为多种稀有湿地物种提供了避难所。