以下是一些使用"observe"的句子：
The teacher asked the students to observe how the people in the group interacted。
Researchers observed a surprising behavior in cats and dogs living peacefully together。
The police observed a man enter the bank。
She observed that all the chairs were already occupied。
He was observed following her closely。
I felt he was observing everything I did。
The patients were observed over a period of several months。
They observed how the parts of the machine fitted together。
All we can do is observe bird behavior。
In another piece of research, a team observed and talked to nurses working in hospitals。
Observe carefully if any change occurs when doing experiments in the lab。