网络释义
before classes start 在课程开始前 ; 课程开始前 ; 在开课之前
rehearsals before classes 课前预习
We first before classes begin 我们一号才开始上课
Before the classes 在上课之前
Class down before new classes 上课前要认真复习新课
Define Classes Before Usage 在使用之前定义类
双语例句原声例句权威例句
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We do morning exercises before classes begin.
上课前我们做早操。
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When starting college, most students enjoy a week's stay on campus before classes actually begin.
开始上大学时，大多数学生都喜欢在真正开课前在校园里呆上一周。
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If you have other daily routines, such as exercising or talking on the phone with family, work those into your day-to-day life before classes start so that you get a better idea of how they fit in with your schedule.
如果你有其他的日常习惯，如锻炼身体、与家人通电话，你要在开课前将这些习惯融入到日常生活中，这样就能更好地结合这些习惯来进行日程安排。
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The program includes English classes in the summer before school starts for those who need them.
VOA: special.2009.06.18
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and that's about it before classes pick up. It really varies.
但那是在课业重回正轨之前。所以，学习时间很不同。
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Some of you would have been in classes that do that before.
有些同学可能之前参加过这种课程
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