提示：点击例句中的单词，就可以看到词义解释

There 's an unimproved road down by the river .

沿着河岸，还有一条尚未竣工的路。

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。

Worse , mr morsi 's government has soaked up blame for unimproved government services and a feeble economy .

更糟的是，穆尔西政府因其未改善的政府服务和衰弱的经济而备受诟病。

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。