underused

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 . 可悲的是這些資源中許多都沒有充分用在課堂上。
Budget airlines could revitalize underused airports . 廉價航空公司能夠讓未被充分利用的機場重獲生機。 返回 underused