凝视者

例句：

1. 1. The scientist was a keen observer of the natural world.
   这位科学家是自然世界的敏锐观察者。
2. 2. She gazed at the sunset with wonder and admiration.
   她怀着惊奇和钦佩的目光看着日落。
3. 3. The detective was a skilled observer who could often catch the criminal's every move.
   这位侦探是一位技艺高超的观察者，常常能捕捉到罪犯的每一个动作。