public assistance英 [ˈpʌblɪk əˈsɪstəns]美 [ˈpʌblɪk əˈsɪstəns]公共援助;政府援助;官方援助英英释义noungovernmental provision of economic assistance to persons in needshe lives on welfareSynonym:social welfarewelfare双语例句