我觉得她的讲座非常费解。

I found her lecture very obscure.

《牛津词典》

他的讲座学究气十足且没趣。

His lecture was so pedantic and uninteresting.

《柯林斯英汉双解大词典》

那次讲座被突然鸣响的火警中断了。

The lecture was curtailed by the fire alarm going off.

《牛津词典》

In addition to many lectures, we have the working groups pleased to do both experiments and to do problem-solving exercises.

我们不仅有讲座，还有不同的小组,他们将做实验,和解决问题的练习。

麻省理工公开课 - 媒体、教育、市场课程节选

So sometimes, if you miss a class, you can just kind of check in earlier years, like lectures,

所以有时候，如果你错过了一节课，你可以看看前几年的讲座，

开放式的课程？ - SpeakingMax英语口语达人

The goal is by 2005, they have all the large lecture courses in MIT physics taught in this format.

我们的目标是到200年，能使所有的大型讲座课,都能用这种方式讲授。

麻省理工公开课 - 媒体、教育、市场课程节选