名词
中文翻译：Unknown
同义词：
['observer', 'observer', 'sight-seeing']
例句：
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1.The sight-seer was amazed by the beauty of the sunset.
这位目击者被夕阳的美丽所震撼。
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2.They went on a sight-seeing tour to explore the city's history.
他们去观光旅游，探索这座城市的历史。
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3.As the sun set, the sight-seer took in the breathtaking view.
随着太阳落山，目击者欣赏到了令人叹为观止的景象。