A smaller group within a larger group, especially in the classification of living things.
Biologists often use subclasses to organize different types of animals.
生物学家经常使用亚类来组织不同类型的动物。
In programming, a type of class that is based on another class and uses its features.
The developer made a subclass to add more features to the existing software.
开发者创建了一个子类,以向现有软件添加更多功能。