preview
noun [ C ] uk/ˈpriː.vjuː/ us/ˈpriː.vjuː/
预观;预展;预映;（电视节目等的）预告
an opportunity to see something such as a film or a collection of works of art before it is shown to the public, or a description of something such as a television programme before it is shown to the public
（电视节目或电影的）预告
short parts of a television show or film that are shown to the public in order to advertise it
preview
verb [ I or T ] uk/ˈpriː.vjuː/ us/ˈpriː.vjuː/
预先播映（或展示），预告
to describe something or be shown before it officially begins
Miller's new play is previewing (= being performed publicly before it officially opens) at the Theatre Royal tomorrow. 米勒的新剧将于明天在皇家剧院预演。
On page 11, Sally Gaines previews next week's movies on TV. 在第11页，萨莉•盖恩斯介绍了下周将在电视上播出的电影。