improved

动词 improve:

1. to make better
   同义词：better, improve, amend, ameliorate, meliorate
2. get better
   同义词：better, improve, ameliorate, meliorate

形容词 improved:

1. made more desirable or valuable or profitable; especially made ready for use or marketing
2. become or made better in quality
3. (of land) made ready for development or agriculture by clearing of trees and brush

1. His writing has improved greatly in this semester.
   这学期他的写作有了很大进步。
2. Have standards of morality improved?
   道德标准是否有所改进？
3. The relationship between them is being improved.
   他们之间的关系正在改善。
4. She is an improved edition of her mother.
   她长得像她母亲但胜过她母亲。
5. The quality of service in this restaurant has improved a lot.
   这个饭店的服务质量已经有了很大改善。
6. The car's performance on corners needs to be improved.
   这辆车在转弯时的性能还需要改进。
7. The German girl improved on her previous best performance in the 100 metres.
   那个德国姑娘在100米比赛中刷新了自己以往最好的成绩。
8. The breeding of animals or growing of plants, especially to produce improved stock.
   养殖对动物的饲养或植物的种植，尤指为了产生改良品种