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As the basic element of language, vocabulary is the cornerstone of language communication. However, the majority of English learners just remember vocabulary by rote-learning and could not put them into practical use. As a result, their efficiency in vocabulary learning is still not unsatisfactory. Many effective approaches have been proposed in the foreign language teaching field so as to enhance L2 learners’ English Proficiency. This paper aims at exploring the essence of the breadth and depth of vocabulary for the sake of promoting learners’ competence of vocabulary learning.

Literature Review of the Breadth and Depth of Vocabulary