presenter; host; host (hostess) of a programme; anchor-man (woman); announcer of programme; master of ceremony

智力竞赛节目主持人

quizmaster

广播节目主持人接受点播歌曲的

talk jockey

主持人准备挑一项重要新闻作为开场白，以引起与会记者的注意。

The presider intended to open with an important piece of news in order to attract the attention of the reporters present.