The first lecture introduces students to the main topics of the course.

第一堂课是让学生了解这门课的主要内容。

《牛津词典》

that was the first lecture.

在第一节课的时候。

youdao

Yours will be allocated at the first lecture.

你们将分配在首次课。

youdao

Here I am going back to what I talked about right at the very beginning of the first lecture.

说回第一节课开始时,谈到的问题。

哈佛公开课 - 幸福课课程节选

I went into the positive psychology, into the field of psychology, as I mentioned in the first lecture, because I was unhappy here.

我之所以研究积极心理学，探索心理学领域，正如我第一节课时提到的，是因为我不快乐。

哈佛公开课 - 幸福课课程节选

I've added the ability to have more complex data structures here. But I dropped a hint in the first lecture about what you could computer with things. In fact if you think for a second about that list, you could ask what can I compute with just that set of constructs?

我添加了使用更复杂的数据结构的能力,但是我在第一节课给大家了了一个,关于你可以用什么来做计算的暗示,实际上如果你思考,这个列表一会儿的话,你会问我可以用？

麻省理工公开课 - 计算机科学及编程导论课程节选

Dr Schmidt is the first non-broadcaster to give the landmark lecture, which is dedicated to the memory of actor and producer James MacTaggart.

BBC: Google's Eric Schmidt criticises education in the UK

From 1954 he preferred to lecture on the sidelines, first at Columbia, then at Harvard, where he helped set up the Kennedy School of Government and was a founding director of its Institute of Politics.

ECONOMIST: Richard Neustadt

The photograph was first seen at King's College London during a Royal Institution lecture on colour theory by the Scottish physicist James Clerk Maxwell on the 17 May 1861 and the college is marking the 150th anniversary of that demonstration with an evening of talks celebrating his scientific discoveries.

BBC: Pioneering colour photography