We have art class in the art room and music class in the music room.

我们在画室上艺术课，在乐室上音乐课。

youdao

We have art class on Thursday.

星期四我们上美术课。

youdao

Zip: On Thursdays we have art class.

齐普：星期四我们有艺术课。

youdao

We have freshmen in the class, we have graduate students in the class, we have people from business backgrounds, art backgrounds, psychology, science, just about everything.

我们的课堂上有新生,有研究生,还有从事商业的,从事艺术,心理学,理学等方向的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选