上课之前，你必须购买阅读材料。
You are required to purchase the readings before classes begin.
我和他成为朋友是在一天早晨上课之前。
We'd made friends one morning before school, when he saw me sitting alone, pretending to do homework.
上课之前准备妥当，衣冠端正，姿势亦端。
Before class begins, one must come prepared, with neat attires and proper posture.
新学期的学费必须在第一次上课之前缴付。
The full amount should be paid before the first lesson of each term at the latest.
今天是教师节，上课之前我们祝所有的老师教师节快乐。
Today is teachers' day. We say happy teachers' day to all of our teachers before class.
今天是教师节，上课之前我们祝所有的老师教师节快乐。
Today is Teachers'Day. We say happy Teachers' Day to all of our teachers before class.
阮风华不得不在上课之前进行自学，然后每天放学之后学习5个小时。
Ruan had to earn his teachings by applying himself before and after school for five hours everyday.
然而第二天上课之前教授听说了她们的计划，所以他策划了一番。
The professor, however, got wind of their scheme just before class the following day, so he bided his time.
今天在学校里我急着在上课之前上厕所，就找了一幢不熟悉的建筑。
Today, I was in an unfamiliar building on campus and I needed to use the bathroom before class started.
肖已经和他以前的好朋友兼室友疏远了，因为室友去上课之前磨磨蹭蹭让他受不了。
Xiao has been estranged from his roommate and former buddy because he was short-tempered with him for dawdling before leaving for classes.
比如，一个老师正在同怯场做斗争，在每一次她上课之前她都会感觉焦虑。
A teacher who struggles with stage fright, for example, might feel anxious before every class she has to teach.
在每堂课上课之前，每位上课学生必须对那礼拜的讨论主题缴交简短(大约一页)的回应。
Before each week's meeting, every student attending the class is required to submit a short (approximately one page) response to one of the topics for that week's discussion.
有什么方法可以让我在实际上课之前就开始工作，以便我能攒下更多的钱，添加我的存款？
Q: Is there a way for me to work before actually starting to attend classes in order for me to save more money and add it to my current savings?
每次实验的讲义在对应的实验上课之前才会放在网路上，不过在之后的学期期间依然可以使用。
The web-based materials for each lab will be posted just-in-time for the corresponding lab, but will remain available through the course web site for the remainder of the course.
应用课只适用于相应级别，且需要至少在上课之前15 分钟在前台预定。详情请咨询语言指导老师。
Tips: Applications are only available for the students of targeted level and should be booked at the reception 15 minutes in advance. For further information, please consult the tutors.
上课之前，打听一下上课教练是否有瑜伽教师资格，获得这个证书需要至少200个小时的教授瑜伽技巧的经历。
Before taking a class, check whether the instructor is registered with the yoga Alliance, a certification that requires at least 200 hours of training in yoga techniques and teaching.
我敢打赌，之前，你已有过各种各样地短暂爱好和兴趣——在那些兴趣里，你花费了许多金钱去上课或者购买资料或书籍，但是没有实在的利用过它们。
However, I'll bet you've had all sorts of hobbies and interests in the past which were short-lived - where you spent money on classes or items or books which you didn't really use.
另外一些学校只要小学生们不在上课时间使用，允许他们携带手机入校。但是多数学校还是希望孩子们在每一堂课开始之前，把那些电子装备暂时存放在储物柜中或收好在袋子里。
Others allow pupils to carry phones if they do not use them during the school day, but most expect electronic equipment to be deposited in lockers or put in zipped bags at the start of each lesson.
外教如因生病无法工作应在相关上课时间之前提交书面病假申请。
The Foreign Teacher shall submit a written application for sickness if unable to work prior to the concerned class time.
威尔斯当然听到了，所以他，很快回来了，但在，他母亲去世之后，他就不再上课了，在这之前，在他十岁的时候他就对乐器很熟练了。
Welles heard that obviously, and he quickly came back. But when she died, he stopped taking lessons, before that, he was adept before he was ten years old.
因为在关照上课时间调整之前她去了广州，现在无法赶返来。
Because she went to Guangzhou before being notified of the change in the class timetable, she is now unable to rush back.
在开始学习课程之前，每个学员上课的具体目标和目的，是要被设定出来的。
Specific goals and objectives for each participant are established prior to the commencement of the course.
学生在第一节上课铃声响之前提前超过三十分钟入教室是不允许的。
Students should arrive at school no more than 30 minutes before the first bell.
作业题组必须在上课结束之前，也就是缴交期限之前交出来。
Problem sets must be handed in by the end of the class in which they are due.
如果你不能在上课前完成或是准备好上课的讨论，请在24小时之前知会助教。
If you cannot make it to class or cannot prepare for the case discussion, please let the instructors know 24 hours in advance.
如果你不能在上课前完成或是准备好上课的讨论，请在24小时之前知会助教。
If you cannot make it to class or cannot prepare for the case discussion, please let the instructors know 24 hours in advance.
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