school day和School Day的区别

区别就是school day为普通名词而School Day为专有名词，具体的不同如下

school day中文意思是教学日；上课日

It's a common school day at Southern Cross School near the famous Kruger National Park in South Africa.！

School Day中文意思是校园日All of the groups performed well on School Day and received praise from the visitors.

school day 是上学日的意思，也就是从星期一到星期五这些上学日，school days是指学生时代。这两者意思不同的school day 英 [sku:l dei] 美 [skul de]

例句：

1.He favors extending the school day and school year.

他赞成增加每天的课时并延长学年。

2.The school day is divided into seven periods.

学校一天有七节课.

3.The council does not support lengthening the school day to fit in other activities.

委员会不支持通过延长在校时间来插入其他活动。

at school day 还是on school day

on school day，例如：

1.On school day, what is the maximum speed through school zones in the city town or villages?在城市内上学日，在穿过校区地带时，最高的时速是多少？

2.Ironed shirts on a school day.在上学的日子穿熨烫整洁的衬衣。

3.On the school opening day, I rose up very early, earlier than usual, because I was greatly excited to see my new school.开学那一天，我很早起身，比平常时还早，因为我很兴奋的要看看我的新学校。