1·Each child had participated in extracurricular activities at school.
每个孩子都参加了学校的课外活动。
—— 《柯林斯英汉双解大词典》
2·There are more extracurricular activities in high school than in middle school.
高中的课外活动比初中多。
3·Officials declined to borrow against next year's state aid, they refused to trim extracurricular activities and they did not consider seeking a smaller—perhaps more acceptable—tax increase.
官员们拒绝借用下一年度的国家补助金，拒绝削减课外活动，也没有考虑寻求一个更低的（也许是更易接受的）税收增长。
4·Extracurricular activities reflect the differences in child rearing in the Pew survey, which was of a nationally representative sample of 1,807 parents.
皮尤研究中心对全国范围内具有代表性的1807名父母组成的样本进行了调查，发现课外活动反映了育儿方式的差异。
5·Extracurricular activities reflect the differences in child-rearing in the Pew survey, which was of a nationally representative sample of 1,807 parents.
课外活动反映了皮尤研究中心育儿方式的差异，这是从对全国1807名家长的代表性抽样调查的结果。