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1.如果你真想减肥，可能得避免跟胖朋友厮混了.
If you want to lose weight badly, maybe you must avoid play around together with fat friends.
2. 如果朋友比自己胖，学生本人也很可能变胖.
If your friend is fatter than you, you might become fat.
3. 该研究旨在探究社会中肥胖及相关行为为何扎堆的问题。
The aim of the research is exploring the reason why many people are fat and their behavior in society
4. 学生的体重指数按照身高和体重计算.
The BIM of student can be calculated with height and weight.
5. We should not be treating adolescents in isolation.