adj.没有改善的；未被利用的

The unimproved land was rough and rocky, making it difficult for farming.
这片未经改良的土地崎岖不平且多岩石，不利于耕种。
The government plans to invest in improving the unimproved housing in the slums.
政府计划投资改善贫民窟中未改进的住房条件。
The company is considering buying the unimproved property as an investment opportunity.
公司正在考虑购买这块未经开发的土地作为投资机会。
Many rural areas still lack basic infrastructure, with unimproved roads and limited access to electricity.
许多农村地区仍然缺乏基本基础设施，道路未得到改善，电力供应有限。
The house was in an unimproved state when we bought it, but we saw its potential.
我们买这房子时它还很原始，但我们看到了它的潜力。
The park's unimproved trails offer a challenging hiking experience.
公园里未经修整的小径提供了充满挑战性的徒步旅行体验。
After years of neglect, the old mansion had become an unimproved eyesore.
这座老宅经过多年的荒废，变成了一个令人讨厌的、未经修缮的破败景象。
The community center was built on previously unimproved land donated by a local philanthropist.
社区中心建在一位当地慈善家捐赠的一片未经开发的土地上。
The city council approved funding for improvements to the unimproved drainage system.
市议会批准了用于改善未改进排水系统的资金。
She preferred the natural beauty of the unimproved landscape over manicured lawns and gardens.
她更喜欢未经修饰的自然景观，而不是修剪整齐的草坪和花园。