supervision of train running

例句：

1. 1. The company's supervisor is responsible for overseeing the daily operations.
   公司的监督员负责监督日常运营。
2. 2. The policeman supervises traffic during rush hour.
   警察在高峰时段监督交通。
3. 3. The teacher supervises the students during their break time.
   老师在学生休息时间监督他们。