The bonds are auctioned off on regular dates and you cannot participate in the auction; I assume you can't.

这些债券在规定期限内拍卖,你们不能参与这些拍卖,我想你们是不行的

耶鲁公开课 - 金融市场课程节选

Yes, so I think that developing countries do need to participate in a big way

我认为发展中的国家在这方面应该发挥重大作用，

全球变暖与国力 - SpeakingMax英语口语达人

Well you have to come with good humor, and that I hope you'll have; come to the lectures and do the reading, see the films, which I'll talk about in awhile, and go to sections, and hopefully participate in sections; and the sections tend to be fun in this course.

上课的时候要有幽默感,我希望你们有,来上课然后读文章看电影,我一会就讲这些,然后进行不同的章节,希望你们能充分参与其中,那些课程在这门课里还是比较有趣的

耶鲁公开课 - 1871年后的法国课程节选

I will now welcome you to participate in an experiment on implicit attitudes.

现在请大家来参与,一个关于内隐态度的实验。

耶鲁公开课 - 心理学导论课程节选

If seeing things that participate in the forms remind me of the forms, it's got to be because I've met or been acquainted directly with the forms before.

如果我看到了,一种型相的物体能让我想到这型相本身,那么我之前一定直接见过,或者对那型相本身很熟悉

耶鲁公开课 - 死亡课程节选

So yeah, that's the thing that I participate in the most outside of school

所以，这是校园之外我参加最多的活动。

高尔夫俱乐部的回忆 - SpeakingMax英语口语达人

One thing I do ask you: If you are not doing it, if you don't participate, simply just keep quiet.

我对你们的一个要求是：,如果你不做，不参与的同学，请保持安静。

哈佛公开课 - 幸福课课程节选

So, I would say just, just participate, and also just try to immerse yourself.

所以，我的建议是积极参与，给自己营造一个讲英语的氛围。

想学好英语吗？ - SpeakingMax英语口语达人