n. a change for the better; progress in development
n. the act of improving something
n. a condition superior to an earlier condition
n. 进步, 改善, 利用
[医] 改善, 好转, 进步
1. The team made an improvement in their performance this season.
这个团队在本赛季的表现上有所改善。
2. She noticed a significant improvement in her English skills after taking the course.
她在上完课程后注意到自己的英语技能有了显著的提高。
3. Continuous improvement is key to success in any business.
持续改进是任何企业成功的关键。