Overturn



GRE Barron TOEFL 考研

解释

GRE 红宝书

• v. 翻倒;推翻
• ［英］ v. 翻倒 ( turn over) ; 推翻 ( bring to an end suddenly)
• ［记］ over（翻转）+turn（转） -> 翻转

Webster Collegiate

I. *Date: 13th century

• transitive verb
  • 1. to cause to turn over ; upset <overturned the vase>
  • 2.
    • a. invalidate, destroy
    • b. reverse 2a <overturn a court ruling>
• intransitive verb
  • upset, turn over

II. noun

• Date: circa 1592
• 1. the act of overturning ; the state of being overturned
• 2. the sinking of surface water and rise of bottom water in a lake or sea that results from changes in temperature that commonly occur in spring and fall

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