名词
中文翻译：活跃阶段
同义词：
['period of activity', 'active period例句：1. During the active phase of the disease', 'patients need to take medication regularly.（在疾病的活跃期，患者需要定期服药。）2. The company is in a period of growth and expansion.（该公司正处于增长和扩张的活跃期。）']
例句：
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1. During the active phase of the disease, patients need to take medication regularly.
在疾病的活跃期，患者需要定期服药。
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2. The company is in a period of growth and expansion.
该公司正处于增长和扩张的活跃期。
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3. The research team is currently in an active phase of data collection.
研究团队目前正在进行数据收集的活跃期。