class /klɑ:s/ n.［c］1.班，课：We had a class in physics today.今天我们上了物理课。I must go, or I’ll be late for my English class. 我必须走了，否则我英语课要迟到了。 2.(社会)阶级：The various classes of society do not always get on well together.社会上的不同阶级不是总能合得来的。3.等级: These people say that they are treated like second-class citizens in their own country. 这些人说他们在自己的国家里被当作二等公民对待。He only sells high-class materials in his shop.他的商店只出售高级料子。4. 种类，门类：divide animals, plants and rocks into classes 把动物、植物和岩石分门别类