descriptive

形容词 descriptive:

1. serving to describe or inform or characterized by description
2. concerned with phenomena (especially language) at a particular period without considering historical antecedents
   同义词：synchronic
3. describing the structure of a language

1. An identifying or descriptive tag attached to merchandise; a label.
   标签，票签贴在商品上的标明性或描述性的标签; 标签
2. A list or itemized display, as of titles, course offerings, or articles for exhibition or sale, usually including descriptive information or illustrations.
   一览表名单或逐条列记的陈列，如题目、课程或者供展览或出售的物品，通常包括描述性的信息或插图
3. The report was so descriptive that I understood exactly.
   这报道写得非常生动，我完全了解了。
4. He told a very descriptive account of his journey.
   他对旅行作了十分生动的叙述。

de.scrip.tive

adj.（形容词）
Involving or characterized by description; serving to describe.
描述性的：包含描述的，以描述为特征的；用手描述的
Concerned with classification or description:
分类的，与分类有关的：
例句：
a descriptive science.
分类科学

Grammar
【语法】
Expressing an attribute of the modified noun, asgreen in green grass. Used of an adjective or adjectival clause.
描写性的：表达被修饰名词的属性，例如greengrass（绿草） 中的 green（绿色的） 。用于形容词或定语从句
Nonrestrictive.
无限制的，不加限定的

【引伸】
descrip.tively
adv.（副词）
descrip.tiveness
n.（名词）