Implicit and explicit learning strategies of SL vocabulary acquisition are summarized based on precious studies and exper?iments. It is concluded that implicit learning strategies dolittlehelpto SL vocabulary acquisition, but explicit learning strategies play a very important part in SL vocabulary acquisition. Besides, an assumption is proposed:the more obvious explicit learning is in vo?cabulary acquisition, the more words learners can acquire. It is hoped that this research has certain implications for SL learners and teaching.
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