名词
中文翻译：国家调查
同义词：
['national inquiry', 'governmental inquiry']
例句：
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1. The government launched a national enquiry into the cause of the accident.
政府启动了一项关于事故原因的国家调查。
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2. The enquiry revealed that the company had been engaging in unethical practices.
调查发现该公司存在不道德行为。
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3. The enquiry was conducted by a team of experts who arrived at the scene promptly.
调查由一组专家组成的团队进行，他们迅速到达现场。