saturday的拆分记忆方法:词根satur,土星,饱和,满的+-day,一天Saturday:是一个名词,意思是星期六复数:Saturdays词组短语:last Saturday:上周六;上个周六Saturday days:还有周末;周末的日子里例句:The overnight train runs every night of the week except Saturdays.这趟夜班火车除了周六外每个晚上都运行。