invigilator
🇺🇸
/ɪnˈvɪdʒɪleɪtər/
🇬🇧
/ɪnˈvɪdʒɪleɪtə(r)/
A person who supervises an exam to ensure fairness and order.
The invigilator made sure everyone followed the rules during the test.
监考员确保每个人在考试期间都遵守规则。