1.  once
2.  ever

• 1. 曾经: at one time | Once | Once Upon A Time
• 2. 曾经拥有: Once | The Way We Were
• 3. 曾经最美: Beautiful memory | Ever the most beautiful | Once the most beautiful

更多释义

• 1.有人曾经认为铅可以变成黄金。
  It was once thought that lead could be transmuted into gold.
  dict.yoduao.com
• 2.人们曾经认为地球是平的。
  People used to think the earth was flat.
  dict.yoduao.com
• 3.我曾经在伦敦居住过。
  I used to live in London.
  dict.yoduao.com

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