野鸟观察者

例句：

1. 1. The scientist is an expert in the field of astronomy.
   这位科学家是天文学领域的专家。
2. 2.The teacher asked the students to observe the experiment carefully.
   老师要求学生们仔细观察实验过程。
3. 3.The observers were amazed by the beauty of the sunset.
   观察者们对日落的美丽感到惊叹。