【1】children as young as seven=七岁的孩子/年龄为七岁的孩子=Children who are as young as seven=Children who are seven years old.备注：以上属于“形容词短语作后置定语，修饰名词children” 相当于定语从句省略关系代词who和系动词are (即who are）【2】people more than sixty =六十岁以上的人/年龄在六十以上的人=People who are more than sixty=People who are over sixty?=People who are over sixty years old备注：以上属于“形容词短语作后置定语，修饰名词people”相当于定语从句省略关系代词who和系动词are (即who are）