• 1. key vocabulary: 重点词汇
• 2. Vocabulary Key: 所用到的英文关键词汇
• 3. Key concepts and vocabulary: 及词汇

• 1.Afterwards, we'll study some key vocabulary .
  之后，我们将研究一些关键词汇。
  dict.yoduao.com
• 2.I would have all the key vocabulary items written out in front of me that I would use on the phone.
  我想所有关键项目的词汇写出来，在我面前说，我会用在手机上。
  dict.yoduao.com
• 3.Moreover, the book is aimed at enhancing the language skills of Chinese learners through its summary of some key vocabulary and grammar points.
  同时，本书对一些重要的词汇、语法进行总结，帮助汉语学习者提高汉语水平。
  dict.yoduao.com

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