Wilkins also said: “provided one knows the appropriate vocabulary, communication in a foreign language may not be very difficult
Without vocabulary, however, it is next to impossible
” (Wilkins, 1978) Krashen clearly indicated “vocabulary is of prime concern in the second language settings because it plays a dominant role in classroom success
” (Krashen, 1989) In a word, Vocabulary is one of the most fundamental means for the language learning and also the preconditions of the language application
The more vocabulary one owns, the more easily it is possible for him to express better
The importance of vocabulary knowledge in learning a second language is nicely summed up by McCarthy (2001, p
He concluded that vocabulary forms the biggest part of the meaning of any languages, and voca