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-pressure steam中压蒸汽Middle and small-size中小型middle lacerate foramen破裂孔Middle East Land Forces中东地面部队middle-aged gentleman中年绅士Middle and Lonterra aim中、长期目标middle type live center中型活顶尖middle latency response潜伏中期反应middle-school student中学生Middle-Lower Jurassic中-下侏罗统