superordinate category,basic-level category and subordinate category,and markedness,i.

Yet there exists insufficient attention to basic-level category.

Some Chinese root words with broader sense have been elected gradually as strong productive basic-level category with generic features in the process of lexicalization.

This paper outlines the concept of basic level category.

With the guidance of Prototype Theory,the paper has expatiated upon the features of basic level category and discussed about the application of basic level category,superordinate category,subordinate category and metaphor to effective vocabulary learning.

This paper first briefly reviews the lexicology teaching in China and the theoretical background, definition and cognitive motivation in which prototype theory was formed, then extends this theory to its application in lexicology teaching, in terms of its basic level category.

This thesis is aiming to solve the category problem in translation from the perspective of the theory of prototypes and basic-level categories.

This paper is aiming to study word translation from the perspective of the theory of prototypes and basic-level categories.

The acquisition priority of basic level categories;

Prototype categories and basic level categories are the basis of cognitive linguistics, mainly focusing on the process of the classification of the physical world empirically and psychologically, which leads to the formation of cognitive categorization and categories.