n. an expert who observes and comments on something
n. 观察者, 遵守者, 观察员
[法] 观察者, 观察员, 监场员
1. The observer took detailed notes during the experiment.
观察者在实验中做了详细的记录。
2. As an observer of nature, she enjoys watching birds and animals.
作为自然观察者，她喜欢观察鸟类和动物。
3. The teacher asked the students to be careful observers of their surroundings.
老师要求学生们仔细观察他们的周围环境。