变灿烂

例句：

1. 1.The sun's rays are shining brightly through the window.
   阳光透过窗户，照射得非常明亮。
2. 2.She tried to brighten up the room with some colorful curtains.
   她试图用一些彩色窗帘来使房间变得更加明亮。
3. 3. He brightened up his face when he saw her.
   他一看到她就面带微笑。