A seat for one person, with a back and usually legs or wheels.

供一人坐的座椅，带靠背，通常有腿或轮子。

A person who leads or presides over a meeting or committee.

主持或领导会议或委员会的人。

An official position as chair, especially a university professorship.

正式职位，如会议主席之职或大学教席。

The ranking seat of a player in an orchestra or band.

管弦乐队或乐队中演奏者的席位级别。

To preside over a meeting or committee.

主持会议或委员会。

To carry someone seated on shoulders in celebration.

庆祝时把某人抬在肩上游行。

A cyclohexane ring conformation shaped roughly like a chair.

环己烷的一种构象，形状大致像椅子。