mediumhardadj.中硬度的mediumadj.中等的；适中的n.手段；媒介；媒体medium-steep seam中倾斜矿层medium-type truck中型载货汽车medium section mill中型型钢轧机,中型轧机medium-plate mill中板轧机medium income group中等收入的社会阶层medium speed screen中速增感屏medium speed memory中速存储器medium yellow cloth中黄色布medium tomato puree普通番茄酱Medium sized neuron中等大小神经元