开幕式英语怎么说

开幕式的英语说法是"opening ceremony"。它来源于拉丁语的"auctoritas"，意思是"权威"。例句：

The opening ceremony of the Olympic Games will take place on July 24th. (奥运会的开幕式将于7月24日举行。)
The opening ceremony of the conference will be attended by many prominent figures. (会议的开幕式将有许多杰出人士出席。)