Did you preview before the class?
你在上课前有预习的吗？
Check the markers before the class.
上课前检查一下麦克笔。
My biology teacher, Mr. White, came to the classroom five minutes before the class began.
我的生物老师怀特先生在上课前五分钟来到了教室。
It is called before the class body is evaluated, as Listing 3 shows.
在类主体被处理之前，先会调用它，如清单3所示。
Please email your question to the professor the day before the class.
请在上课前一天用电子邮件把这些问题发送给教授。
The bell will ring before the class.
上课前会听到铃声。
You should preview the text before the class.
上课之前你要预习课文。
You need to complete some forms before the class.
上课之前你得填一些表格。
He always reviews the knowledge before the class.
他总是在课前复习知识点。
Your homework must be handed in before the class is over.
你们的作业必须在下课之前交上来。
Readings must be completed before the class number noted.
在每堂课上课前，需读完该课标注中的阅读资料。
You need to complete some forms before the class. Thanks.
上课之前你得填一些表格。
The deadline for enrollment is three days before the class.
注册最后期限是上课前三天。
You have to look through these papers before the class is over.
你们得在下课前将这些试卷看一遍。
Make sure you get your curriculum schedule before the class begins.
确保在上课前拿到课程表。
No one spoke as, papers in hand, the professor stood before the class.
教授拿着试卷站在同学们前面，没有人出声。
Reading of textbook chapters before the class is strongly recommended.
强烈建议在上课前读过教科书的特定章节。
Be here a few minutes early. You need to complete some forms before the class.
请早几分钟到，你在上课前要填几份表格。
And before the class in the school, we will have an English words dictation.
在学校上课之前，我们会有一个英语单词听写。
Don't eat anything two hours before the class and you may eat little half an hour after the class.
上课前两小时不能进食，课后半小时方可少量进餐。
Jack: Oh, fine, fine. Be here a few minutes early. You need to complete some forms before the class.
啊好好。早几分钟到这里吧，你需要填一下表格。
If you withdraw from a class one week before the class starting date, Tzu Chi will return your check and charge a $10 processing fee.
在实际上课日一周前办理退班者，退还已缴支票，另酌收行政手续费用10美元。
The materials under the Required Reading category for each session have been assigned to be read and evaluated carefully before the class.
每一课的必读材料应当在课前仔细阅读和评价。
This property acquires its value once, before the class event handlers or any instance handlers are invoked, and is never adjusted past this point.
在调用类事件处理程序或任何实例处理程序之前，此属性将获取其值一次，经过该点后，将永远不会对此属性进行调整。
And unsurprisingly — since I announced this was going to be the result before the class had barely gotten started — I don't think any of these arguments work.
我在课程还没正式开始的时候，就已经说过了，我认为这些论证都站不住脚。
"This happens during our working hours, so when I exercise here, it's like I'm working at the same time," she said, tying her hair back before the class started.
“这个项目是在我们的工作时间进行，所以我在这儿锻炼的时候，就好像同时也在工作，”在课程开始前，她一边说一边把头发扎到脑后。
The men, rugged-looking and some of them with flecks of gray in their beards, look daunted but determined as they take turns standing up before the class to read basic sentences off the blackboard.
这些男人看起来饱经风霜，他们中的一些人的胡子上还有一些灰色的斑点，他们轮流站起来当着全班的面朗读黑板上的简单句子时有些不安却又十分坚决。
Before the class, my teacher prepared some CARDS.
上课之前，我的老师准备了一些卡片。
Before the class was over, I went home without telling my teacher.
课还未完，我没有告诉老师就回家了。
Before the class was over, I went home without telling my teacher.
课还未完，我没有告诉老师就回家了。
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