The school administration has decided to make it mandatory for each student to volunteer at least 40 hours per year to one of the town's many volunteer programs.
学校管理部门已经决定强制要求每个学生每年参加该镇众多志愿者项目的其中一个，志愿工作时长至少要达到40个小时。
She asked the school to give her one, preferably two hours a month for a year so 8, 16 hours.
，她带了一个不到一岁的婴儿到课堂,她请求学校一年中每月给她1个最好是2个小时,所以总共8，或16个小时。
American children also have one of the shortest school days, six-and-a-half hours, adding up to 32 hours a week.
美国小孩每天的上课时间也是最短的，6.5小时，每周总计32小时。
Hours may be earned during the summer prior to the fall semester through the end of the spring semester, but may not be carried over from one school year to the next.
在夏秋之际，春季结束之前完成这些个小时，但是不可以超出转入到下学年。
When I was a high school student, I used to like playing football very much, and I liked to play it for one or two hours with my friends after school.
当我还是一个高中生，我曾经非常喜欢踢球，我喜欢在放学后跟朋友们踢上一两个小时。
When I was a high school student, I used to like playing football very much, and I liked to play it for one or two hours with my friends after school.
当我还是一个高中生，我曾经非常喜欢踢球，我喜欢在放学后跟朋友们踢上一两个小时。
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