gazer

例句：

1. 1. The spectators cheered as the athletes competed.
   观众们为运动员们的竞争欢呼。
2. 2. The observers noted down all the details of the event.
   观察员记录下了所有事件的细节。
3. 3. The gazer sat quietly in the corner, lost in thought.
   凝视者安静地坐在角落里，陷入了沉思。