Categories are regular classes containing static methods.
categories是一个常规类，包含静态方法。
Ding has yet to pass the final stage and hopes to begin regular classes in the spring.
丁先生尚未通过最后阶段，希望在春季开始一般课程。
Mr. Ding has yet to pass the final stage and hopes to begin regular classes in the spring.
丁先生尚未通过最后阶段，希望在春季开始一般课程。
He focuses on children, and runs regular classes at the swimming pool of a local sports stadium.
他以孩子为主要教学对象，并在当地一家体育馆的游泳池定期授课。
A comparison group of seventh graders, who'd been taught how to solve such problems as part of regular classes, scored just 25 percent on the test.
另一组与之对比的是7年级的学生，这些人已经在常规课程里学习过如何处理这些问题，但分数仅为25%。
Many, however, are able to attend regular classes with other students.
然而，很多这样的人都可以和其他学生一起参加正常的学习班。
Learning in regular classes is the main form for special children to accept compulsory education in China.
随班就读是我国特殊儿童接受义务教育的主要形式。
But when young Agatha was 11 years old he died, and she thereafter began attending regular classes in arithmetic3 and other subjects.
但是，当小阿加莎11岁时，父亲离世了。此后，阿加莎开始接受正规的教育，学习算数和其他科目。
My English at the time was good enough to pass the test to waive ESL (English as Second Language) courses, so I started taking regular classes immediately.
我那时候的英语水平已经达到入学标准了，不用再去上预科，所以一开学我就跟着正常上课了。
Mr. Xu just completed the program and is now enrolled in freshman classes. Mr. Ding has yet to pass the final stage and hopes to begin regular classes in the spring.
徐先生刚完成英语课程，现在进入新生课程了。丁先生尚未通过最后阶段，希望在春季开始一般课程。
Should we be aware of any learning style or medical history that might interfere with the student's normal performance in regular classes or in the athletic program?
该生有无任何学习方式或病史，有可能影响到其课堂或体育运动中的正常表现？
Regular classes will improve your ability to take in and use oxygen. As a result, your heart and lungs will become more efficient and you'll burn lots of calories too.
有规律地参加健身班训练会提高你的吸氧和用氧能力，使你的心肺功能得到提升，同时还能够消耗掉大量的热量。
Regular classes will improve your ability to take in and use oxygen. As a result, your heart and lungs will become more efficient and you'll burn lots of calories too.
有规律地参加健身班训练会提高你的吸氧和用氧能力，使你的心肺功能得到提升，同时还能够消耗掉大量的热量。
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