spot reflecting galvanometer

例句：

1. 1. The sun is shining brightly on the beach.
   太阳在海滩上闪闪发光。
2. 2. She spotted a bird flying overhead.
   她发现了一只鸟飞过头顶。
3. 3. The detective spotted a clue in the dusty room.
   侦探在灰尘满布的房间中发现了线索。