Parents allow teenagers to study in groups.

父母允许青少年成组一起学习。

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Undergraduates usually live and study in their colleges but they are taught in very small groups.

本科生的生活和学习通常都在他们的大学里，但他们以很小的组别为单位上课。

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Our school hopes to improve students' abilities to study by themselves and work in groups.

我们学校希望提高学生的自学能力和小组合作能力。

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The team also looked at two groups among the people in the study.

VOA: special.2009.06.23

There is social, which is the study of how people act in groups, how people act with other people.

还有社会心理学,主要研究人类的群体行为,如何与他人交流

耶鲁公开课 - 心理学导论课程节选

Furthermore, the programme provides learners with self-administered supplementary learning modules which they can use alone or in study groups during their spare time.

UNESCO: Country Profile: Philippines

In the study, the participants in the Mediterranean diet groups agreed to replace red meat with white meat like chicken and eat three or more servings of fish each week, along with three or more servings of fruit and two or more servings of vegetables a day.

CNN: Mediterranean diet lowers risk of heart attack, stroke

In a recent study, two groups (made up of Harvard University staff) were asked to pick mutual funds.

ECONOMIST: Economics focus