The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day.

七年级后的那个夏天，学生们要在大学校园里待上三周，每天学习七个小时的高等数学。

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A survey of the opinions of the students shows that two hours of physical exercise a day is acceptable in our campus.

一项关于学生意见的调查显示，我们学校的学生能够接受每天两小时的体育锻炼。

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He'd spent the entire day wandering around campus with no one speaking to him.

那天他在校园了游荡了一整天，但一直没人跟他说过话。

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Tens, if not hundreds, of billions of dollars were on campus that day.

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Late on May 4, students left the campus after a day-long demonstration.

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"Today is the last day of finals, and this should be a happy day on campus, but it's not, " said Hofstra freshman Scott Aharoni of Great Neck, as he passed through the area rife with yellow crime-scene tape Friday.

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