Listen to a conversation between a student and a counselor at the University Counseling Center.

请听一段学生和大学咨询中心辅导员之间的对话。

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Listen to a conversation between a student and an employee at the student activity center.

听一段学生和学生活动中心员工之间的对话。

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If the center of NGC 4258 were a star cluster, the stars would be so closely spaced that collisions between individual stars would have long ago torn the cluster apart.

如果 NGC 4258 的中心是一个星团，恒星之间的距离会非常近，以至于在很久以前单个恒星之间的碰撞就会把星团撕裂。

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The wind travels down the streets between tall buildings in the center of the city.

VOA: special.2010.01.10

According to Eliot, the modern world lacks a center, a kind of set of collective beliefs and commitments that would enable communication between us.

根据艾略特所说，现代世界缺少一个中心，缺少一套共有的信仰和承诺,来促成人与人之间的交流。

耶鲁公开课 - 现代诗歌课程节选

So instead, these would be canceling out wave functions between the two, so we would end up with a nodal plane down the center.

相反，两者之间的,波函数会相互抵消，所以我们在中间会得到一个节面。

麻省理工公开课 - 化学原理课程节选

So, yes, we're getting back to a traditional battle between center-right and a traditionally socialist French politician.

NPR: Large Turnout Sets Up France's Left-Right Runoff

It was a balanced Republican field between center-right and right.

CNN: Picking Bachmann or Perry is risky for GOP

The elections in Italy -- the eurozone's third-largest economy -- ended in political deadlock this week following a three-way battle between center-left leader Pier Luigi Bersani, former Prime Minister Silvio Berlusconi and comedian Beppe Grillo.

CNN: STORY HIGHLIGHTS