The Chronicle of Higher Education says at least fifty-eight private colleges now charge fifty thousand dollars or more a year.

VOA: special.2009.11.19

I'm going to say, quite to the contrary, the positive charge is concentrated at the center in a tiny, tiny, tiny volume.

我要说的是，完全相反，正电荷集中在中心,在一个非常非常小的体积内。

麻省理工公开课 - 固态化学导论课程节选

The center of excess negative charge on all of the dipoles is at the very center of the molecule.

多出来的键,的负电荷中心都集中在,分子的正中间。

麻省理工公开课 - 固态化学导论课程节选

It allows students to attend in-state public universities at no charge and private schools at greatly reduced rates.

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Because Hopkins can land another accessory that he can't buy at Whole Foods or charge at a swanky retail store.

WSJ: At 48, Hopkins still chasing championship history

This will guarantee nearly 47 million women access to these vital services at no charge.

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