s. (used of count nouns) each and all of the members of a group considered singly and without exception
s. each and all of a series of entities or intervals as specified
a. 每一, 所有的
1. Every student in the class did their homework.
班上的每个学生都做了作业。
2. I visit my grandmother every Sunday.
我每个星期日都去看我的奶奶。
3. Every morning, I drink a cup of coffee.
我每天早上喝一杯咖啡。