引出课题用英语怎么说

"Introduce the topic" 是引出课题的英文表达。

来源："Introduce" 是英语中的动词，意思是 "引入，介绍"；"topic" 是名词，意思是 "话题，主题"。

一些例句：

Let me introduce the topic for today's discussion. (让我来介绍今天讨论的话题。)
Before we begin, I'd like to introduce the topic of our presentation. (在我们开始之前，我想介绍一下我们演讲的主题。)
The teacher introduced the topic of the lesson and the students began to take notes. (老师介绍了课程的主题，学生们开始做笔记。)