n(1)椅子(movable seat for one person with a back，four legs and sometimes with arms)[C]：sit down on/in a～坐在椅子上;Have/Take a～.请入座。easy/ folding/revolving/rocking～安乐椅/折叠椅/转椅/摇椅;

(2)主席(职位)((position of the) person who is chairman at a meeting)[C，the～]：take the～at a meeting担任会议主席;Who is in the～for the meeting? 谁担任会议主席?The～is calling for order.会议主席要求大家遵守秩序。address a question to the～向会议主席提一个问题;

(3)教授职位(position of a professor (of a subject)in a university)[C]：hold the～of English/philosophy/history担任英语/哲学/历史教授;He is too young to get the～.他太年轻不能担任教授。

(4)电椅(electric chair)[C，the～]：The criminal got the～for murder.那罪犯因谋杀罪被电椅处死。

vt(1)当主席(be chairman(at a meeting))[T+n]：～a meeting主持会议;The commission was～ed by Jackson.委员会由杰克逊主持。

(2)抬着(获胜者)(carry (sb who has won sth)as though in a chair)[T+n，T+n+prep]：He was～ed by the crowd when his horse came in first.他的马第一个到达终点时，他被人群抬起。When he won the race his supporters～ed him round the field.他在赛跑中获胜，他的支持者们抬着他绕场一周。

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