I knew it was a demonstration class, and I was a little excited.

我知道这是一个公开课，我有点激动。

youdao

Last Night, I had my First English Demonstration Class for students at Xiawu.

昨晚，我在霞梧教室开始了第一堂面向同学们的英语公开课。

youdao

I began this class with a demonstration that illustrates two very important facts about language.

我用一段演示来开始今天的课，这段演示阐述了语言非常重要的两个事实。

youdao

"As you can say for this demonstration I think they should focus more - I mean truly focus - on what the working class or the labor unions really need."

VOA: standard.2009.03.09

I began this class with a demonstration of -that illustrates two very important facts about language.

我用一段演示来开始今天的课,这段演示阐述了语言非常重要的两个事实

耶鲁公开课 - 心理学导论课程节选

When I'm talking about language I'm meaning systems like English and Dutch and Warlpiri and Italian and Turkish and Urdu and what we've seen and heard right now in class in the demonstration that preceded the formal lecture.

当我谈到语言时,我指的是诸如英语,荷兰语,沃皮利语,意大利语,土耳其语,乌尔都语这样的语言系统,以及我们在正式上课之前的课堂演示中,所看到和听到的语言系统

耶鲁公开课 - 心理学导论课程节选