父类指针指向子类对象，new出来子类对象似乎被释放了？

#include<iostream>
#include<string>
#include<fstream>
using namespace std;

class man
{
public:
    man()
    {
    
    }
        man(int age,string na)
{
    m_age = age;
    name = na;
}
 int    m_age;
 string name ;
};

class Chinese :public man
{
public:
    Chinese()
    {

    }


    Chinese(int age, string na)
    {
        m_age = age;
        name = na;
    }

    int m_age;
    string name;

};

int main()
{    

    man *C =  new Chinese(18,"abc");

    
    cout << C->m_age << endl;
    cout << C->name << endl;
    
    

    
    system("pause");
    return 0;
}