every day 和 everyday 的区别是什么?

everyday 形容词：每天的, 日常的, 平常的, 平凡的
everyday是形容词，后面可以直接跟名词，而every day是短语，一般作副词讲，放在句首或句末，用来修饰整个句子，
every day 通常做“每天”解作状语时，省掉介词（in),表示频率。
I go to school every day.我每天上学
He exercises every day. 他每天锻炼

老师说得对

every day 副词：每天
1. Newspapers are delivered every day.
报纸每天都送来。
2. How do you get home every day?
你每天如何到达家的?

everyday
a. 每天的,日常的
b.平常的日子
1. We need some calcium everyday.
我们每天需要些钙。
2. He is in his everyday clothes.
他穿着平常的衣服。

一般是可以互换的

前者
The files were accessed every day to keep them up to date.
文件每日存取, 使之不断更新.
Millions of cattle are slaughtered every day.
每天有数百万头牛被屠杀。
I like you more and more every day.
我一天比一天更加喜欢你了。
后者
It is very dreary to do the same job everyday.
每天都做同样工作是很单调的。
A casual newspaper reader wouldn't like articles on politics everyday.
不经心的报纸读者不会喜欢每天都有政论文章。
We need some calcium everyday.
我们每天需