public use公共事业publicadj.公众的；公共的；公开的n.民众；公众；大众public transit systems公共交通体系Public Transport Route公交线路Public security market公共安全市场public transit network公交线网public cultural system公共文化体系public institution key公用键控public service utility公用事业public limited company公众有限公司public sports stadiums公共体育场馆public assemble locale易燃易爆场所