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block out

动词
  1. To prevent from entering or penetrating. (transitive) · High-factor suncream blocks out the sun's rays.
  2. To prevent (a thought) from entering one's mind. (transitive) · After finding out she had terminal cancer, she tried to block out any thoughts of her own mortality.
  3. To cover something, so as to make it impossible to see. (transitive)
  4. To begin to reduce to shape; to mark out roughly; to lay out. (transitive) · to block out a plan
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来自图书馆

These natural barriers help to block out the annoying roar of nearby traffic.
《Too Loud to Think》,第1页 · B2
The cognitive load required to block out distractions and maintain this professional facade ultimately drains mental energy and reduces overall output.
《The Trouble with Open-Plan Offices》,第1页 · C1

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