섬광, 불꽃
a sudden brief burst of bright flame or light
불꽃, 신호탄
a device that produces a bright flame or light, used for signaling or illumination
활활 타오르다, 번쩍이다
to burn or shine with a sudden intensity
퍼지다, 벌어지다
to widen or spread outwards, especially at the top or end