1.  uncoil
2.  decoil
3.  open a book
4.  begin to read a book

• 1. 开卷: open-book | uncoiling | decoil | Open Page
• 2. 开卷有益: Reading enriches the mind
• 3. 开卷机: uncoiler | uncoiling machine | decoiler | decoiling unit

更多释义

• 1.那是开卷考试吗？
  Is it an open book exam?
  dict.yoduao.com
• 2.不过它当然也提供了一些经验教训，令人开卷有益。
  But it also offers some cumulative lessons.
  dict.yoduao.com
• 3.读者诸君不管来自何方，信仰什么，相信必定开卷有益。
  Readers swill benefit from this book no matter where they come from and what they believe in.
  dict.yoduao.com

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