Unimproved
a. 未经改善的, 没有改良的, 未耕过的, 未被利用的
🔴 反义词
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
We can't decide what to do.
我们不能决定怎么做。
There were books, clothing and photographs, together with letters which the seaman had once received from his wife.
其中有书箱、衣服、照片以及水手收到的妻子的来信。