在讲座上，他谈及他怎样克服了看似不可跨越的障碍。

In the lecture, he speaks of overcoming the obstacles that may seem insurmountable.

youdao

就听讲而言，我发现有时候在讲座上精力很难保持集中，尤其是一些长达两个小时的讲座。

As far as listening is concerned, I find it hard to keep up sometimes in lectures, especially two-hour ones.

youdao

做这个真是一件肮脏的事……”阿勃丝1970年在一个讲座上这样解释。

It was a dirty thing to do…” Arbus explained in a lecture in 1970.

youdao

And people give presentations and this is a photo of someone giving a presentation in a positive psychology summit.

被邀请进行讲座，这是一位学生,在积极心理学峰会上作讲座的照片。

哈佛公开课 - 幸福课课程节选

Now the part of the essay just prior to this explains that he gave this little quiz that you see to some college students when he was giving a lecture.

在先前已经解释了这篇文章的一部分,他把你们所看到这个小测试在他的讲座上,给一些大学生做了。

耶鲁公开课 - 1945年后的美国小说课程节选

I'm bringing in outside speakers as part of this course and, I'm going to, among them, bring in people who I think have been philanthropists.

我会邀请客座嘉宾,在课上讲座,而这些客座嘉宾中,会有一些慈善家

耶鲁公开课 - 金融市场课程节选