To mitigate something means to make it less unpleasant, serious, or painful.
例句
...ways of mitigating the effects of an explosion...减轻爆炸威力的种种方法The cost of getting there is mitigated by Sydney's offer of a subsidy.由于悉尼提供补助金,所以到那里的花费就减少了。
英汉词典释义
vt.
减轻, 缓和
to mitigate the effect of something减轻某事的影响Governments should endeavour to mitigate distress.政府应努力缓解贫困问题。
英英词典释义
Verb
1. lessen or to try to lessen the seriousness or extent of;