最新回答 / qq_乾_4
public?string?name; ? ?? public?int?age;??????? ?? public Gender?sex;?????? ?? public?Child(string?name,?int?age,?Gender?sex)?????? ? {?????????? ??? this.name?=?name;?????????? ??? this.age?=?age;?????????? ? ?? this.sex?=?sex;?????? ? }
2018-11-04