名词
中文翻译：年迈的
同义词：
['elderly', 'aged', 'senior']
例句：
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1.The elderly man is always looking for ways to stay active.
这位老人总是在寻找保持活跃的方法。
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2. The senior citizens are invited to the annual picnic in the park.
受邀的是老年人参加公园的年度野餐。
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3.The elder brother has been helping his younger sibling with their homework.
哥哥一直在帮助弟弟做家庭作业。