undeveloped meaning in English
adj.
不发达的，未发展的；(土地等)未开发的。
Examples
- The new continent was undeveloped .
新大陆尚未开发。 - The technology of undersea mining was then undeveloped .
那时候深海采矿技术还不成熟。 - If he chose to confess, there might be some undeveloped reasons for clemency .
如果他肯认罪，说不定有什么还没有发现的理由可以对他实行宽大。 - He could only sign at himself, that he should be so undeveloped on that significant side of his nature .
在自己天性的重要一面，居然会如此幼稚，他对之唯有叹息而已。 - Ecological development should go ahead in undeveloped areas
欠发达地区生态建设要走在前列