名词
中文翻译：检查
同义词：
['inspection', 'verification']
例句：
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1.The engineer checked the safety of the new machine before it was put into use.
工程师在机器投入使用前检查了其安全性。
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2.The police conducted a thorough checkage on the suspect's background.
警方对嫌疑人的背景进行了彻底的核查。
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3. Before signing the contract, they made sure all the details were checkedage.
在签订合同之前，他们确保所有细节都经过了核查。