mediumrare半生的mediumadj.中等的；适中的n.手段；媒介；媒体Medium rice model单季中稻模式medium-high end中高端medium round file中圆锉medium inspection媒体监督medium complexity中规模集成度medium sand layer中砂土层Medium Depth Mine中深水雷medium short wave中短波medium difficulty中等难度medium permeation介质传输