Definition: when you supervise someone or something Level: C1
他需要持续的监督。
He needs constant ___supervision.
除非有老师的监督，否则学生不得接触这些化学品。
Students are not allowed to handle these chemicals unless they are under the ___supervision of a teacher.
您可以将您的孩子交由训练有素的工作人员照看。
You can leave your children under the ___supervision of well-trained staff.
