improve
英 [ɪmˈpruːv] 美 [ɪmˈpruːv]
v.
改进;改善
第三人称单数： improves现在分词： improving过去式： improved过去分词： improved
例句
The company needs to improve its training and retention of staff.
公司需要改进对员工的培训和留用工作。
His quality of life has improved dramatically since the operation.
手术后他的生活质量大大改善了。
Her technique has improved a lot over the past season.
在过去的一个赛季里，她的技术大有长进。
