名词:officiation 动词过去式:officiated 过去分词:officiated 现在分词:officiating 第三人称单数:officiates
v [I, Ipr] ~ (at sth) perform the duties of an office(4) or position 执行职务; 主持
*The Reverend Mr Smith will officiate at the wedding, ie perform the marriage ceremony. 史密斯牧师将主持婚礼.
to perform official duties, especially at a religious ceremony