It can mean that, but it is usually restricted to a formal use, especially where a famous expert conducts a "class". 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 Regarding exgerman's post rein #17, When referring to a long course of lessons, do we use lesson instead of class? And many thanks to Matching https://claytonngyqg.popup-blog.com/32871806/top-jeweils-fünf-chill-urban-news