剑桥词典not used as much as it could or should be 未被充分利用的 Many of these resources are sadly underused in the classroom . 可悲的是这些资源中许多都没有充分用在课堂上。 Budget airlines could revitalize underused airports . 廉价航空公司能够让未被充分利用的机场重获生机。 返回 underused