xīng
qī
1
week
2
day of the week
3
Sunday
我每个星期五都去学英文。
Every Friday I go to study English.
我一个星期没去游泳了。
I haven't been swimming in a week.
今天是星期几?今天是星期一。
What day is it today? Today is Monday.
这个星期我在家工作
I work from home this week