bettering

例句:

• The general condition is bettering instead of worsening.
  一般的情况不是在恶化而是在好转.
  
• He had dedicated his life to bettering the lot of the oppressed people of South Africa.
  他毕生致力于改变南非受压迫人民的命运。
  
• He recorded a time of 4 minutes 23, bettering the old record of 4-24.
  他用时4分23秒，刷新了4分24秒的原纪录。
  
• Change the way they are by 'bettering' themselves.
  来自SA
• She believed that Victorian family values were the way to improve society, through people bettering themselves.
  来自BBC
• Rangers are winners of the Scottish Third Division after bettering Queen's Park's result in Saturday's games.
  来自BBC