They arrive at the class in a bad mood, and they leave with a smile.
他们带着坏心情来上课，然后面带微笑离开。
First, we must work at the class and file level.
首先，我们必须处理类和文件层。
Ivy: Will you be at the class reunion next year?
Ivy：明年班级聚会，你们会来吗？
Ruby refers to these method invocations at the class level as macros.
Ruby在类层次上将这些方法调用引用为宏。
Start by looking at the class members for TestVirtualCampus in Listing 1.
首先看一下清单1中testvirtualcampus的类成员。
This class builds a hash table of key-value pairs at the class instantiation.
此类在类实例化时构建一个键值对哈希表。
For example, look at the class list of the parents of your kids' friends.
比如说，看看你的小孩朋友的父母名单。
Sometimes, though, you need to inscribe variation down at the class level.
但有时候需要记下类级别的差异。
To better understand the mapping process, let's take a look at the class tag.
为了更好地理解映射过程，让我们来看一下class标记。
He looked up at the class and asked, "What is the point of this illustration?"
他抬起头看着大家问道：“这个例子说明了什么？ ”？
Instances of a class have specific values for the properties defined at the class level.
一个类别的例证具有一个在类别层定义的特定属性值。
The challenge is for the work you are going to be doing at the class time we are doing to spend together.
这一挑战是针对，我们要一起在课上，完成的任务提出的。
This could result in a potential concurrency issue in your code at the class level, where static data is used, or in the repository's APIs.
这可能会导致在类级别（使用静态数据的情况）的代码中或存储库 API 中出现潜在的并发问题。
The teacher snapped at the class, "Class, you should be ashamed. Suzuki, who is new to our country, knows more about its history than you do."
老师当堂训斥道，“同学们，你们应该感到惭愧，刚到我们国家来的铃木同学，知道得比你们都多”他听见有人大声嘀咕“太阳他的日本鬼子！”
Although the ultimate implementation at the class level looks the same as the traditional approach, the code (once you know Groovy) is much easier to read and understand.
虽然最终的类级实现与传统方法相同，但其代码(如果您了解Groovy)更易于阅读和理解。
You can set the stroke, opacity, fill, or any of the graphic styles either at the class level or at the local level; you can even change them on the fly with a script as needed.
可以在类级别或者实例级别设置笔触、透明度、填充以及其他任何图形样式，如果需要甚至可以使用脚本随时改变。
Notice that this annotation is at the class level (not the method level), indicating that you clearly cannot combine the Declarative and Programmatic transaction models in the same class.
注意，这个注释是类级的（而不是方法级的），这表示您不能在相同的类中结合Declarative和Programmatic事务模型。
In addition, the majority suggested that judges at the class certification stage can probably also make gatekeeping decisions about whether expert witnesses are engaging in junk science.
另外，大部分法官认为在集体诉讼取证阶段，法官也可以把关，确定专家证人是否受到了伪科学的影响。
A virtual method invocation, for example, involves looking at the class of the receiver object for the call to discover which actual target implements the virtual method for the receiver object.
例如，一个虚方法调用需要查看接收方对象的类调用，以便找出哪个实际目标实现了接收方对象的虚方法。
The technology of reuse has matured from copying and pasting source code, to fine-grained reuse at the class level, to coarse-grained large-scale reuse at the framework and architectural levels.
从复制和粘贴源代码到类层次上的细粒度(fine - grained)复用，再到框架和体系结构层次上的粗粒度(coarse - grained)大规模复用，复用技术已经逐渐成熟。
It always takes the class a while to settle down at the start of the lesson.
那个班一上课总得过一会儿才能安静下来。
At 12 o'clock the class was dismissed.
12点下课了。
He was always at the bottom of the math class.
他的数学成绩在班上总是垫底。
The class held its most recent reunion at a beach resort along the Red Sea.
这个班级最近在红海的一个海滩度假村举行了聚会。
David Eisenbach, who teaches a popular class on U.S.?presidents?at?Columbia,?prefers?the?in-class?variety.
戴维·艾森巴赫（David Eisenbach）在哥伦比亚大学教授一门关于美国总统的热门课程，他更注重课堂的多样性。
Some hours after the two-part session, there is a follow-up class at which the students are stimulated to recall the material presented.
这个由两部分组成的课程结束后的几个小时，会有一节后续课程激励学生们回忆所呈现的材料。
They had to be back at their colleges this week to enrol and work out class schedules for the new term.
他们这周必须回到学院注册，并制定出新学期的课程表。
Traditionally, the Brahmins, or the priestly class, are set at the top of the social pyramid.
传统上，婆罗门或僧侣阶层位于社会金字塔的顶层。
Any child caught misbehaving was made to stand at the front of the class.
调皮捣蛋的孩子被当场抓住，都要在课堂前面罚站。
We were in the same class at school.
我们在上学时同过班。
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