名词
中文翻译：老年
同义词：
['elderly', 'senior', 'old age']
例句：
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1.The elderly need extra care in their later years.
老年人在晚年需要额外的照顾。
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2. She is an expert in the field of aging research.
她在衰老研究领域是一位专家。
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3. As we age, our bodies change and require different types of food.
随着年龄的增长，我们的身体状况发生变化，需要不同类型的食物。