赛课 教研 用英语怎么说啊?

赛课 teaching competition
教研teaching and research

赛课,如果解释的话,为: an extreme hard term to be translated into English, means someone participates in a competition in a form of giving class to students with many teachers and experts appreciating as audience. 你也可以直接简单的用一个competition来代替.
教研:Teaching and Research