directricen.(=directress)女指挥；女董事directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct-arc heating furnace直接电弧加热炉direct electro-deoxidation直接电脱氧法direct current arc discharge直流电弧direct spinocerebellar tract[医] 脊髓小脑后束Direct Product Standard Hourdirect-transmission system直接传送系统direct polyphosphate process直接多磷酸法direct attack of pericardium逆传心包direct concatenation control直接级联控制direct inward dialing system直接对内拨号系统