alleviate air pollution
改善空气污染情况
alleviate international conflicts
缓和国际冲突
mitigate financial difficulties
缓解财政困难
alleviate the persistent drought
缓解持久的旱情
to mitigate a punishment
减轻处罚
alleviate the shortage of supply
缓解供应短缺
mitigate the psychic traumata
减少精神情志伤害
alleviate burdens on sb.
减负
Mitigate possible dangers
使潜在的危险缓和下来
alleviate the patient’s suffering
减轻病人的痛苦