课用英文怎么说说

"课"在英语中叫做"class". 来源于拉丁语"classis"，意思是"一类人"或"一组人"，后来引申为"一组学生"或"一节课".

例句：

I have a math class at 9am every morning. (我每天早上9点上数学课)
She is taking a yoga class twice a week. (她每周上两次瑜伽课)
He is going to be late for his history class. (他要迟到去上他的历史课)