1. The English abbreviation for Saturday is Sat, and its full form is Saturday.2. Pronunciation: UK [?s?t?de?; ?s?t?di], US [?s?t?rde?; ?s?t?rdi].3. Phrases: Holy Saturday - 圣周六; 神圣周六. Saturday Night Fever - 周末夜狂熱. Saturday Night Live - 周末夜現場.4. Root word: The root word of Saturday is satur, which means "full" or "saturated."5. Example sentence: We're going sailing on Saturday. (我們打算在星期六乘帆船出游。)