如果一个男孩比他想要的更瘦或更重，参加体育课的压力和焦虑可能会让他望而却步。
If a boy is thinner or heavier than he would like to be, the stress and anxiety of participating in physical education may be prohibitive.
特别体育运动参与率从1981年到1997年上升了近50%：男孩们现在平均每周花四个小时做运动；而女生则只花一半的时间。
Involvement in sports, in particular, rose almost 50% from 1981 to 1997: boys now spend an average of four hours a week playing sports; girls log half that time.
体育场外，其他的男孩们排着队等待着。
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