名词
中文翻译：活动不足
同义词：
['inactivity', 'lack of activity例句：1. The elderly often experience underactivity due to age-related health issues.（由于年龄相关的健康问题，老年人往往活动不足。）2. To maintain a healthy lifestyle', "it's important to engage in regular physical activity.（为了保持健康的生活方式，定期进行身体活动是很重要的。）"]
例句：
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1. The elderly often experience underactivity due to age-related health issues.
由于年龄相关的健康问题，老年人往往活动不足。
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2. To maintain a healthy lifestyle, it's important to engage in regular physical activity.
为了保持健康的生活方式，定期进行身体活动是很重要的。
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3. The team was so focused on their work that they neglected to take breaks and were experiencing underactivity.
团队非常专注于他们的工作，以至于忽略了休息时间，出现了活动不足的情况。