1. 执行：officiant 主祭 | officiate 执行 | officinal 药用的

2. 主祭：menorah 烛台 | officiate 主祭 | Chanukah 光明节

3. officiate的解释

3. 行使职务：official visit 正式访问 | officiate 行使职务 | offing 海边

1. 主持(仪式)；行使(指定的职务)
    When someone officiates at a ceremony or formal occasion, they are in charge and perform the official part of it.

officiate的近义词

    e.g. Bishop Silvester officiated at the funeral...
           西尔韦斯特主教主持了葬礼。
    e.g. A memorial service was held yesterday at Wadhurst Parish Church. The Rev Michael Inch officiated.
           昨天，悼念仪式在沃德赫斯特堂区教堂举行，迈克尔·英奇牧师担任主持。

2. （在体育比赛、竞赛等中）担任裁判
    When someone officiates at a sports match or competition, they are in charge and make sure the players do not break the rules.

    e.g. Mr Ellis was selected to officiate at a cup game between Grimsby and Rotherham...
           埃利斯先生获选执法格里姆斯比队与罗瑟汉姆队的一场杯赛。
    e.g. Frik Burger will officiate when the Pumas play Scotland.
           弗里克·伯格将担任阿根廷队对苏格兰队比赛的裁判。

1. perform duties attached to a particular office or place or function

    e.g. His wife officiated as his private secretary

    Synonym: function

2. act in an official capacity in a ceremony or religious ritual, such as a wedding

    e.g. Who officiated at your wedding?