形容词
中文翻译：不存在的
同义词：
['absent', 'absentee', 'nonexistent']
例句：
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1.The lost treasure is said to be non-existent in this part of the world.
据说这个地区的失窃宝藏是不存在的。
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2.The professor was absent from the meeting due to a family emergency.
教授因家庭紧急情况缺席了会议。
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3. The non-existent theory has no empirical evidence to support it.
这个不存在的理论没有实证证据支持。