技巧2：
I am looking to visiting Beijing, capital of china.
被修饰词 表示特征的名词短语
He paid a visit to Mr. Bush, president of the United States of America.
被修饰词 表示身份的名词短语
Mr. Bush saw a pair of little pandas in the zoo, a kind of animal only alive in China.
被修饰词 补充意义的名词短语
