化学反应速率方程:every day和everyday区别？

分析： （1）every day ：指每一天

（2）everyday <1>每日的<2>日常的、平常的，普通的，

并不是强调每天，强调日常

例：everyday life ：日常生活

everyday English : 日常用英语

everyday people 普通人

"Every day",用作两个单词词组，意思是每天，天天。
例子如下：
* Why should I have a bath every day?

* There's no need for you to call him every day.

* The children play tennis every day.

"Everyday", 经常用作 形容词 adj. 意思是通常，平常的。
例子如下：

* Traffic is an everyday problem in our city.

* These are my everyday clothes.

* Sweeping, dusting, and mopping are part of her everyday routine.

everyday都用在名词n.前面

[everyday] is an adjective meaning "encountered or used routinely or typically, ORDINARY 便" and [every day] is [adjective + noun] meaning " 每天

Everyday clothes 便服

He put on his everyday clothes before working in the garden.
He goes to work every day but Sunday.

everyday 是形容词，表示：每天的
every day 是副词，表示：天天