Role-play allows students to practise language in a safe situation.

角色扮演可以使学生练习语言，说错了也没关系。

《牛津词典》

Students have played an important role in the past, but for the moment, they're on the margins.

学生们过去发挥了重要的作用，但现在，他们不再重要了。

《柯林斯英汉双解大词典》

youdao

"So public schools now I think understand that their role is to expose students to learning about different religions in a fair way, an objective way.

VOA: special.2009.12.24

For all students, what we want to do is we want to give you an understanding of the role computation can and cannot play in tackling technical problems.

对所有学生来讲，我们想做的就是,给你们关于计算在能否解决技术问题中,所扮演角色的,认识。

麻省理工公开课 - 计算机科学及编程导论课程节选

I wanna stop here because I think that's a role that you have provided for many students.

我想这个话题就先说到这儿，因为我觉得,那是您为很多学生担当的工作。

普林斯顿公开课 - 人性课程节选

These campuses enroll 46 percent of all U.S. college students, playing a key role in educating the students who can't afford or can't get into a four-year school.

NPR: Community College Only Path to Higher Ed for Many

Students played the role of the police, of hackers, of the media and of the general public in assessing and responding to the threat at hand.

BBC: Viewpoint: Preparing for the digital defence of the realm

"We recognise that full responsibility for these violations rests with our company and we have apologised to each of the students for our role in this action, " the electronics manufacturer said in a statement.

BBC: Foxconn