x-ray /ˈeksˈrei/ n. (常用pl.) x射线，x光：an x-ray examination of the lung 肺部透视检查； x-ray treatment x射线疗法；an x-ray photograph 透视照相；locate a bullet lodged in his body with x-rays 用x光线检查打入他体内的子弹；examine the x-rays检查x光照片