# :-: 1.3 拓展A - 常用文件格式理解 ***** ```[video] src: >- http://sp.cqxymwlkjyxgs.com/58d95e95vodtranscq1256398144/d80f942e5285890814319176732/v.f100800.mp4 poster: >- http://sp.cqxymwlkjyxgs.com/58d95e95vodtranscq1256398144/d80f942e5285890814319176732/coverBySnapshot_10_0.jpg ```