class

class, degree, grade, rank

class, lesson, lecture, course

kind, sort, type, class, classification, category, species, variety

名词 class:

1. people having the same social or economic status
   同义词：social class, socio-economic class
2. a body of students who are taught together
   同义词：form, grade
3. education imparted in a series of lessons or meetings
   同义词：course, course of study, course of instruction
4. a collection of things sharing a common attribute
   同义词：category, family
5. a body of students who graduate together
   同义词：year
6. a league ranked by quality
   同义词：division
7. elegance in dress or behavior
8. (biology) a taxonomic group containing one or more orders

动词 class:

1. arrange or order by classes or categories
   同义词：classify, sort, assort, sort out, separate

1. In some countries, people who disagree with the government are classed as criminals.
   在某些国家，凡是同政府持有不同意见的人都被视为罪犯。
2. We were both in the same class.
   那时我们在同一个班。
3. She is attending evening classes in computer studies.
   她在夜校上电脑课。
4. Class distinctions have become less important during the last 50 years.
   在过去五十年间，社会等级差别已经变得不那么重要了。

class

n.Abbr. cl.（名词）缩写 cl.
A set, collection, group, or configuration containing members regarded as having certain attributes or traits in common; a kind or category.
种类：认为具有某种共同属性或特点的成员组成的一群、一套或一类；一种或一类
A division based on quality, rank, or grade, as:
等级，阶层：基于品质、阶级或等级的划分，如：
A grade of mail:
邮件等级：
例句：
a package sent third class.
三等发送包裹

A quality of accommodation on public transport:
设备的等级：公共交通工具中膳宿的品质：
例句：
tourist class.
观光级

A social stratum whose members share certain economic, social, or cultural characteristics:
阶层，阶级：一种社会层次，其成员有共同的经济、社会或文化特征：
例句：
the lower-income classes.
低收入阶层

Social rank or caste, especially high rank.
上流阶层：社会等级，尤指高等级
Informal Elegance of style, taste, and manner:
【非正式用语】 高格调，有风度：风格、品味和举止的优雅：
例句：
an actor with class.
有风度的演员

A group of students or alumni who have the same year of graduation.
班级，同届学生：一个同年毕业的学生或校友的群体
A group of students who meet at a regularly scheduled time to study the same subject.
年级：按课程规定时间学习同一学科的学生群体
The period during which such a group meets:
课程，上课：这种群体在一起的期间：
例句：
had to stay after class.
必须课后留下

Biology A taxonomic category ranking below a phylum or division and above an order.See table at taxonomy
【生物学】 纲：一种分类范畴，级别低于门或类，而高于目参见 taxonomy
Statistics An interval in a frequency distribution.
【统计学】 组，类：频数分布的一个周期
n.attributive.（定语名词）
Often used to modify another noun:
常用来修饰其它名词：
例句：
class warfare; a class picnic.
阶级斗争；班级野餐

v.tr.（及物动词）
classed,class.ing,class.es
To arrange, group, or rate according to qualities or characteristics; assign to a class; classify.
分类，定等级：把…按性质或特征排列、组合或评价；归于一个类别；分类

来源：
French classe
法语 classe
from Latin classis [class of citizens] * see kel…- 2
源自 拉丁语 classis [市民阶层] *参见 kel…- 2