名词
中文翻译：Unknown
同义词：
['elderly', 'senior']
例句：
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1. The sexagenarian was the oldest person in the room.
这个老年男性是房间里最年长的人。
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2. She is a sexagenarian and has lived in this town for many years.
她是一个老年女性，已经在这座城镇生活了很多年。
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3. He is a sexagenarian and enjoys gardening in his spare time.
他是一个老年男性，喜欢在空闲时间园艺。