单词	近敵之前
释义	同FRONT
随便看	active relaying active relay station active relay station--ars active relay station，ars active remedy active remote sensing active (remote sensing) system active (remote sensing) technique active remote sensor active repair time active repeater active repeater satellite active resistance active return loss active rudder active rudder motor active rule base active runway actives active safety active safety system active (said of an old man) active sarcomatous proliferation active satellite active satellite attitude control