preside at/over
1. 主持; 负责
Mr Smith will preside at the next meeting.
史密斯先生将主持下一次会议。
习惯用语preside at1.主持(会议等)preside over1.主持, 当会议主席2.(担任要职时)无可奈何地目睹(Successive post-war governments have presided over the gradual dissolution of the British Empire. 战后的历届政府眼巴巴看着大英帝国逐步解体。)3.管理, 主管