brighten the chain

例句：

1. 1. The sun is shining brightly today.
   今天阳光明媚。
2. 2. She brightened the room with a warm smile.
   她用温暖的微笑照亮了房间。
3. 3. The new paint job brightened up the old house.
   新的油漆工作让旧房子焕然一新。