请问， impeachment的具体含义是什么？请在回答中使用英文进行解释，不少于80个单词，不多于120个单词。
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Impeachment refers to the formal process by which a legislative body formally levels charges against a high-ranking official of a government, such as a president, vice president, or judge. This procedure is typically reserved for serious offenses such as treason, bribery, or other high crimes and misdemeanors. Once impeached by the lower house, the process moves to the upper house for a trial, where a decision is made on whether to convict and remove the official from office. This mechanism serves as a check on executive or judicial power, aiming to uphold the integrity and accountability of public servants.
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