Don't leave the school precincts during school hours.
在上课期间内不要离开学校。
School hours, I do apologize for dragging the last lesson.
上学时，我把道歉的事拖到最后一节课。
And use after school hours to learn and master a certain UG graphics knowledge.
并利用课余时间学习并掌握了一定的UG绘图知识。
They work several hours every day, so they can not go to regular school.
他们每天工作几个小时，所以他们不能去正规的学校。
You're going to sit and do school work for 8 hours a day.
你要坐下来并且每天做8小时功课。
I was finished with breakfast and out in the storm two hours before school time.
离上学还有两个小时，我已经吃完早饭冲进了风雪之中。
They might work a few hours every day after school.
他们可能会在每天放学后工作几个小时。
I work 50 hours a week and go to school full time.
我说我每周要工作50个小时，学校的课我还一节都不敢逃。
They waited for several hours. The school day was almost over.
他们等了几个小时，而且也快要放学了。
Community service hours may not be fulfilled with any school service.
社区服务小时不可以履行任何学校的服务。
I can still go to school because the battery lasts eight hours.
电池能够维持8个小时，所以我依然能够上学。
It takes me 2 hours to drive to school.
开车去学校花了我2个小时。
From my home to the school is two hours' walk.
从我家到学校要走两个小时。
Young women could not regularly attend school due to long working hours.
由于工作时间长，年轻妇女们不能按正常时间上学。
Cycling is a good way of getting away from school for a few hours.
几个小时之内离开学校，骑自行车是最好的方法。
Three-person teams from each school had five hours to solve eleven real world problems.
来自各个学校的三人组合要求在5个小时内解决11个现实生活中的问题。
Every day, most of the students in this school spend three hours on their homework.
这所学校大多数学生每天花三个小时做家庭作业。
It used to take me more than two hours to get to school by bus.
以前乘公共汽车上学往往要花费我两个多小时。
At school, he always plays basketball for more than 2 hours.
在学校，他要玩两个小时以上的篮球。
After school, they played football for two hours.
放学后他们踢了两个小时的足球。
They disputed for hours whether to build a new school.
他们就是否需要新建一所学校争论了好几个小时。
Everyday after school, I play volleyball for one and a half hours before going home.
每天放学以后，我先打一个半小时的排球，然后回家。
You've been home from school for over two hours!
你从放学回家都超过两钟头了！
A full-time vocational school teacher shall spend at least seven hours at school every day.
职业学校专任教师在校时间每日至少七小时。
A full-time vocational school teacher shall spend at least seven hours at school every day.
职业学校专任教师在校时间每日至少七小时。
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