presided

v.

主持，主管( preside的过去式和过去分词 )；

preside over主持；负责

preside at主持；负责

1. Mr Smith will preside over the next meeting.
   史密斯先生将主持下一次会议。
2. The old professor had presided over a seminar for theoretical physicists.
   老教授主持了一次理论物理学家的研讨会。
3. He will preside at the election of school officers.
   他是校际选举大会的主席。
4. When the Assembly holds its meeting, the chairman shall preside over the Assembly.
   会员大会召开会议时，理事长担任会议主席。
5. Who happened to preside over the economic crisis at the time?
   当发生经济危机时谁正好在掌权?
6. His experience enabled him to preside over the business in an efficient way.
   他的经验使他有效地管理着公司。

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