动词
中文翻译：阻止
同义词：
['block', 'exclude', 'cut off', 'prevent']
例句：
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1. Thepolice blocked out all the windows to keep people from seeing in.
警察把所有的窗户都封住，不让人们看到外面。
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2.The fireman blocked out the flames with a blanket.
消防员用毯子挡住了火焰。
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3. She blocked out the noise and focused on her work.
她屏蔽了噪音，专注于工作。