to invigilate an exam

• 监考

to invigilate an exam的用法和样例：

例句

1. Candidates may not retake a beta exam at any time.
   在任何时间都可以重考在线的无监考的考试。
2. The proctors counted the students out again as they filed out of the exam ball.
   监考人员在学生们一个接一个离开考场时再次清点了人数。