动词短语
中文翻译：阻止访问
同义词：
['deny access', 'prohibit access', 'restrict access']
例句：
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1. The government is blocking access to the internet in order to control the spread of information.
政府正在阻止人们上网，以控制信息的传播。
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2. The company has blocked access to its servers due to a security breach.
由于安全漏洞，该公司已封锁了其服务器的访问权限。
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3. The police blocked access to the crime scene for investigation purposes.
警方为了调查目的封锁了犯罪现场的访问。