middlemann.中间人；经纪人middleadj.中等的；中间的；中期的n.中间vt.放在中间；把 ... 对折middle school courtyard中学庭院Middle-age plantation中龄林middle school chemistry中学化学Middle East News Agency中东通讯社middle chain fatty acid中键脂肪酸middle-high frequency中高频Middle-deep bed areas中深层新领域Middle third of trachea气管中三分之一Middle-ranking Cadres中层领导干部middle and small houses中小户型住宅