The Enduring Voices team studied three rare languages: Ishir,Toba Qom,and Maka.

VOA: special.2009.12.02

So I think it a lot of children I have. Bilingual children and a lot of them have two languages or even three languages.

就此我经常反思,我自己的学生，双语儿童,还有很多会,三门语言。

麻省理工公开课 - 媒体、教育、市场课程节选

I have to admit, in my career here, I think I've taught in at least three languages, I suspect you've taught more, five or six, John?

我需要承认，在我的事业生涯里，我觉得我教过至少三种语言，我假设你们都学过更多，五六种，John？

麻省理工公开课 - 计算机科学及编程导论课程节选

It contains more than twenty-three-thousand books in eight languages.

VOA: special.2009.11.16