unimproved
adj. 没有改善的；没有充分利用的；(牛羊等）没被选种的；未经耕作的
近义词：unchanged，unaltered，authentic，original，unworked，virgin，improved，
英英释义
Adjective
- not made more desirable or valuable or profitable; especially not made ready for use or marketing;
"taxes on unimproved land are low" "unimproved dirt roads"
- (of land) not cleared of trees and brush; in the wild or natural state;
"a farm with 50 acres of unimproved and 68 acres of improved land" "unimproved woodlands"
例句
- Taxes on unimproved land are low. 对未耕种的土地的税收很低。
- Mixing efficiency for CBY is unimproved. 该混合槽对于CBY桨混合效率提高不大.
- But the main building remained unimproved. 但是主体建筑仍未做改善。
- Unimproved properties can be mortgaged through the Bank at any time. 未建房地方可以在任何时候抵押给银行。
- Systems will be isolated;data indecipherable;health-care quality unimproved. 系统成“孤岛”，数据不能识别，医疗质量无从改进。
- Landing Softly: Unimproved runways put more than soft-field technique to the test; they need judgment, too. 软着陆:未经改善的跑道指定飞行测试中不仅要有软跑道技术,它们也需要判断。