preside
verb [ I ] usuk/prɪˈzaɪd/
主持（会议或仪式）
to be in charge of a formal meeting, ceremony, or trial
Who would be the best person to preside at/over the public enquiry? 谁来主持公众调查最合适呢？
Judge Langdale is to preside over the official enquiry into the case. 兰代尔法官将主持这个案子的正式调查。
Phrasal verb
preside over something 掌管；主持（尤指正式会议或审判）
to be in charge of a situation or place
This government has presided over some of the most significant changes in education this century. 本届政府领导了本世纪教育方面的一些最重大的变革。
She has presided over the district during a period of unprecedented growth. 这一地区在她掌管期间经历了前所未有的增长。