Who is to preside over the meeting hasn't been decided.这个会议要谁来主持还未决定.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?Every Monday morning I convene and preside over our department meeting...

preside over的音标：preside over的英式发音音标为：[pri'zaid 'əuvə]preside over的美式发音音标为：[prɪ'zaɪd 'ovɚ]...

主持（会议、仪式等），管理，对（某事物）负有责任...