A new study from the Center for Information and Research on Civic Learning and Engagement (CIRCLE) at Tufts University shows that today's youth vote in larger numbers than previous generations, and a 2008 study from the Center for American Progress adds that increasing numbers of young voters and activists support traditionally liberal causes.
出自-2010年6月阅读原文
And I'm going to pick a definition from a former colleague, Robert Sternberg, who is now the dean at Tufts University, but was here on our faculty at Yale for nearly 30 years.
2016年12月六级真题（第一套）听力 Section C
柯林斯高阶英汉双解学习词典释义
N-COUNT
一丛;一簇;一撮
A tuft of something such as hair or grass is a small amount of it which is growing together in one place or is held together at the bottom.
例句
He had a small tuft of hair on his chin.他下巴上有一小撮胡须。…tufts of wool torn from sheep by bushes and brambles.被矮丛林与荆棘粘下来的簇簇羊毛