动词
中文翻译：变老
同义词：
['decline', 'decline in health', 'age']
例句：
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1. The elderly are often more susceptible to illnesses.
老年人往往更容易生病。
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2. As the years passed, his face began to show signs of aging.
随着岁月的流逝，他的脸上开始显示出衰老的迹象。
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3. She was surprised when she saw her parents' faces growing older.
当她看到父母的脸逐渐变老时，她感到惊讶。