Thursday 星期四

例句：

There are seven days in a week. They are Sunday, Monday, Tuesday, Wednesday, Thursday, Friday and Saturday.一星期有七天，即星期日、星期一、星期二、星期三、星期四、星期五和星期六。

Yes, I was. I was in class on Thursday, but not on Friday.是的，上了。我星期四上课了，但星期五没有。