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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。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...
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v.改善，提高( better的现在分词 )...
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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, better...