"Program host" 是节目主持人的英语翻译。这个词是用来描述在电视或广播节目中主持人的职责的。它是由英语 "program" 和 "host" 两个词组合而成。
例句：
John is the program host of a popular talk show.
(约翰是一档颇受欢迎的脱口秀节目的主持人。)
The program host introduced the guests and led the conversation.
(主持人介绍了嘉宾并主导了对话。)
She has been the program host for several years and has a large following.
(她担任节目主持人已有几年，拥有大量的粉丝。)