名词
中文翻译：参考
同义词：
['reference point', 'point of reference', 'referent']
例句：
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1. Thebook is a good reference for learning English.
这本书是学习英语的好参考。
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2.He referred to the map as his personal reference.
他以地图为个人参考。
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3. She referred to the incident as an unfortunate accident.
她将这起事件称为不幸的事故。