classify by age中文什么意思

把……分类

• classify:    vt. 1.把…分类[分部；分等，分 ...
• age:    n. 1.年龄。 2.成年〔满廿一岁 ...
• classify as:    分类为

例句与用法

1. There are four roles in general : the male , the female , the " painted face " , and the clown , which are further classified by age and profession
   京剧里一般有四类角色：生、旦、净、丑，这其中还可以按年龄和职业细分。