在公映前观看影片或电视节目的人；试映观众。
在公映前观看影片或电视节目的人；试映观众。
在公映前观看影片或电视节目的人；试映观众。
A person who sees a film or TV program, etc. before its general release to the public.
提供文档或其他作品预览的程序。
A program that provides a preview of a document or other work.
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