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- Alcor is of magnitude 3.99 and spectral class A5 V. 辅的视星等为3.;99等，光谱类型A5 V。
- Mizar's apparent magnitude is 2.23 and its spectral class is A1 V. 开阳的视星等为2.;23，光谱分类为A1 V。
- No one has ever gone to the surface of a number of different asteroids of different spectral classes and done the real geological characterization. 没人曾到过很多不同光谱类别的小行星表面上完成真正的地质特征考察。
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Henry is nowhere when it comes to the race for class president. 亨利在竞选级长中被远远抛在后面。
- She got cold feet when asked to recite in class. 当她被叫起来在班上背诵时害怕了。
- She was kept in for an hour for talking in class. 她因上课说话被罚留校一小时。
- The students in our class number thirty. 我班总共有三十名学生。
- I was out and away the handsomest man in the class. 我是当时全班最帅的男子汉。
- Soon I dropped behind the rest of the class. 不久我就落在班上其他同志后面了。
- Pele was in a class of his own as a footballer. 贝利是举世无双的足球健将。
- He always travels first class expense is no object. 他出门总是用头等票－－费用不成问题。
- She stood out as the best in the class. 她是班级里最出色的学生。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- The other students in my class are from Italy. 我班其余同学都是意大利人。
- The teacher told him to stay behind after class. 老师要他下课後先别走。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- In class he descanted on his favorite writer. 课堂上他详细论述了自己喜爱的作家。
- Was your brother early to class yesterday morning? 你弟弟昨天早晨上课早到吗？
