同类对象的引用reference to object in the same class作用域运算符scope operator类体外 outside class (definition)内联函数 inline function对象名 object name参数顺序order of the parameters多继承multiple inheritance二义性ambiguity (of inheritance)虚基类 virtual base class多态性polymorphism默认构造函数default constructor子对象 child object初始化 in...