反射 1.[生物学] (反应) reflex 条件[非条件] 反射 conditioned [unconditioned] reflex; 膝腱反射 knee jerk reflex2.[物理学] (折回) reflect; reverberate; reverberation; reflection 光[热; 声]的反射 the reflection of light [heat; sound]; 阳光由水面反射出来。 the sunlight was reflected from the water