n.主席，系主任，学生会主席，会议主席，会长

Mary's the chairperson of the safety committee.
玛丽是安全委员会的主席。
Lisa was my first suggestion as chairperson.
丽萨是我推荐可任主席的第一人选。
The chairperson called the meeting to order.
主席宣布会议开始。
The chairperson of the committee will oversee the project.
委员会主席将监督该项目。
The chairperson appointed a subcommittee to investigate the issue.
主席任命了一个小组委员会来调查这个问题。
The chairperson asked for a vote on the proposal.
主席要求对提案进行投票。
The chairperson mediated the dispute between the two board members.
主席调解了两位董事会成员之间的争端。
The chairperson adjourned the meeting due to lack of quorum.
因为没有达到法定人数，主席宣布休会。
The chairperson welcomed new members to the organization.
主席欢迎新成员加入组织。
The chairperson provided an overview of the agenda for the day.
主席概述了当天的日程安排。
The chairperson reminded everyone to submit their reports by the deadline.
主席提醒大家在截止日期前提交报告。
The chairperson thanked the guests for attending and closed the event.
主席感谢各位嘉宾的出席并结束了活动。