prevent [pri'vent, pri:-]

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v. forbid��foreclose��forestall��keep

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v.   allow��let��permit

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block��bar��hinder��obstruct��prevent��hamper
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1. These rules are intended to prevent accidents.
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2. Prevent brain damage caused by the injury.
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3. How to prevent the attack before computer?
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v.
  1. keep from happening or arising; make impossible
  2. prevent from doing something or being in a certain state

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prevent
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Wash prevent
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Prevent pollution
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Prevent Acess
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prevent sunstroke
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