mediumhardadj.中硬度的mediumadj.中等的；适中的n.手段；媒介；媒体medium-loss fiber媒质损耗光纤medium speed search中速搜索medium-small leve中小级别medium size network中型网络mediumistic writing不由自主的书写medium sodium water中度钠质水medium level clouds中层云medium-soft pitch半软沥青,中度软焦油脂medium staple fibre中长纤维Medium Range Search中程搜索