A contrastive study of English and Chinese lexical development shows that diachrony is one of the basic characteristics of lexical development ,which can be seen from the production of new words,semantic chang.

The latest research about the lexical development showed that the substantial connection between semantics and syntax has an important impact on stuttering.

This paper attempts to probe into factors influencing and restraining the lexical development and changes of Uygur language since liberation from the perspective of society,language policy,and lexical system on the basis of previous researches.

However, research on productive vocabulary development is still scanty, and many questions about productive vocabulary remain unsolved, for example, do genders affect the development of productive vocabulary? Do different majors affect the development of productive vocabulary? Little research has been done in the t.