三节课
the classes───上层社会
third classes───n.三等；三级；三等舱
Bible classes───读经班；查经班
first classes───头等，第一流；最高级
form classes───形式类；词类
free passes───免费入场券
green glasses───绿色玻璃
life classes───模特儿教学班；写生课
lower classes───下层阶级；下层社会
There arethree classesin our grade.───我们年级有三个班。
The central nervous system can be divided intothree classesof neuromeres.───中枢神经系统可分为三类间体。
In my school, every grade hasthree classes.───在我的学校，每个年级有三个班。
The day before yesterday we originalthree classesof few classmates met, distinguishing a year, we rush to different school.───前天我们原三班的几个同学见面了，分别一年了，我们奔向了不同的学校。
You do not know, ah, this study, we havethree classesa better mileage!───你不知道啊，今天读书我们三节课都上好了哩！
With thethree classesbuilt, our example application is ready to roll.───有了这三个类之后，我们的示例应用程序大体完成了。
Figure 2 is a UML model that definesthree classes(person, address, and job) and the associations between them.───图2是一个UML模型，它定义了三个类（person、address和job）以及彼此之间的关联。
After mythree classeseach day, I walked without aim around the grounds like a lost soul.───每天上完三堂课后，我就像一个没有归宿的幽灵一样在校园里游荡。
On shorter summer trips, students must take at leastthree classes.───在相对较短的夏季旅行学期中，学生们至少要学三门课。
Thethree classesin the org.jdesktop.jdic.filetypes package fill this gap by letting Java applications register file extensions and associate them with open, edit, and print actions.
Thethree classesof homomorphisms of implicative posemigroups are investigated. The three homomorphism theorems are established.
There arethree classesof sensory neurons which respond to three different classes of objects.
The applications of vector quantization inthree classesof voice compression coding are described. Finally, the paper discusses recent development and future trends in this area.
There arethree classes; novice, amateur and professional.
There arethree classesof men; lovers of wisdom, lovers of honor, and lovers of gain. Plato
These problems may fall intothree classes.
Listing 1 definesthree classes(A, B and C) with a common virtual function WhoAmI().
Britain set the pattern withthree classesof travel and the concomitant gradation of station facilities.