dean

大教堂的主任牧师主持了周日的礼拜仪式。

The ___dean of the cathedral led the Sunday service.

院长将在下周主持教职工会议。

The ___dean will chair the faculty meeting next week.

作为物理学院的院长，他的研究具有开创性。

As the ___dean of physics, his research is groundbreaking.