Very talented children may feel alienated from the others in their class.

天才出众的孩子可能觉得与班上的同学格格不入。

《牛津词典》

The students in our class work harder than those in their class.

我们班的同学比他们班的同学学习更刻苦。

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Many students admitted that they only show up to class for the exams, and instead borrow notes and tapes from others in their class.

许多学生都承认只会在考试当天在教室出现。与向班里同学借笔记和磁带录音不同的是，32%的学生会让朋友或同学为他们将课堂记录下来。

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The next day, at their school, the woman asks the man to keep an eye on, or watch the young students in her class while she is out of the classroom.

VOA: special.2009.09.06

By keeping women under the household of the men of their original family, the upper-class Romans tried to balance these different households in size and importance.

所以女子保留娘家的家户关系，有助于罗马上层阶级,平衡不同家户的规模及地位。

耶鲁公开课 - 新约课程节选

On their first day of class in the fall of 2007, we have 41 students in our class this year.

007年秋天，开课第一天，今年一共收录41名学生。

哈佛公开课 - 幸福课课程节选

Still, the querulous druggist and his crew managed to win third place in their class.

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Children who turn four in January and February end up being either the youngest or the oldest in their class.

BBC: nursery

Avandia and Actos are the only two drugs in their class on the market, and they split the market 60% to 40%.

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