class discussion

基本解释

Participation includes informal class discussion of the readings and films, in-class presentations, and a formal class debate.
参与包括参考读本和电影的非正式课堂讨论、上台报告，以及正式的课堂辩论。
I find the opportunity to ask questions of a knowledgeable instructor and hearing the class discussion invaluable.
我认为，向知识渊博的教师请教问题并聆听课堂讨论，这样的机会是非常宝贵的。
Also, please notify me at the beginning of the class if, for whatever reason, you are unprepared to participate in class discussion that day.
此外，如果你未提前预习当天的课堂讨论，无论什么理由，请在开始上课前通知我。

In the adjoining room, students in a computer class overhear the cultural discussion and join in.
If you are not prepared, then you will not be able to participate in our class discussion.
要是你没准备的话，你就不能参加课堂讨论。
Make sure 实战 - SpeakingMax英语口语达人
And we do have a class I hope there'll be lively and Interesting discussion about some of these issues.
希望我们在讨论课上会有,生动有趣的讨论。
麻省理工公开课 - 媒体、教育、市场课程节选

It seems that a class discussion on civil disobedience inspired a group of seniors to organize a protest against high gas prices.
NPR: Long Island Teens Give Up Cars in Gas Protest