Directrlx导航线directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct priming孔口起爆direct a movie导演电影direct support直接支持法直接支持法direct calling直接呼叫法direct reasons直接原因directed graph有向图direct leasing[经] 直接租赁directing tube引丝管directed audio声频定向directed group有向群