flash burr

例句：

1. 1. The flash of lightning illuminated the sky.
   闪电的闪光照亮了天空。
2. 2. She flashed a warm smile at him.
   她对他露出了温暖的微笑。
3. 3. The flashlight flickered as it struggled to stay on.
   手电筒闪烁不定，难以保持亮度。