medium1/ˋmidIəm; ˈmiːdiəm/adj of middle size or amount〔尺寸或数量〕中等的: What size do you want – small, medium, or large? 你要什么号码—小号﹑中号还是大号?(of) medium height/length/size etc a man of medium height 一个中等个子的男人
medium2n [C] 1 plural media /-dIə; -diə/or mediums a way of communicating information or ideas [→ media]〔传播信息或思想的〕媒介﹔传媒: Advertising is a powerful medium. 广告是一个强大的媒介。+ of Language is a medium of communication. 语言是交流的媒介。+for Sport is the perfect medium for publicity. 体育是最好的宣传媒介。2 plural mediums someone who says they receive messages from dead people 灵媒﹔巫师﹔通灵的人