4000 essential english words推薦學習

很多同學讓我講一講4000 essential english words 這套教材，今天就詳細介紹一下這套教材，附帶導學視頻，具體如下： 一、教材介紹 The 600 words in each book of this series along with the additional target words presented in the appendices included in th

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