flash ruby

例句：

1. 1. The flash of lightning illuminatedthe dark night sky.
   闪电的闪光照亮了黑暗的夜空。
2. 2. Her eyes flashedwith excitement as she heard the good news.
   她听到好消息时眼睛闪烁着兴奋的光芒。
3. 3. The sun's rays flashedacross the lake, casting a warm glowon the water.
   阳光的光线在湖面上闪烁，给水面投下了温暖的光辉。