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- what kind of star is it: what is its temperature, its luminosity class (dwarf star, giant star, supergiant, etc.)? 为哪一种类型的恒星：温度为多少、恒星光谱（矮星、巨星、超巨星等等）？
- 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。
- He is liked by the classes and the masses. 上层社会的人士和普通的民从都喜欢他。
- 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。
- There is great animosity between the two classes. 这两个阶级之间有很深的仇恨。
- 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。
- Taxation bears heavily on all classes in Britain. 税收使英国各阶层均感压迫。
- 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 candle is the basic unit of luminosity. 蜡烛是基本照明材料。
- The teacher told him to stay behind after class. 老师要他下课後先别走。
- Luminosity glows through pale velum walls. 耀眼的光芒透射着苍白的幕墙。
