摘要: public class American : Men //继承了Men { public override string Speak() //override { return "美国人说英文"; } public new string Eat() //new { return "美国人吃西餐"; 阅读全文
posted @ 2020-07-26 09:41 Doc.stu 阅读(108) 评论(0) 推荐(0) 编辑