名词
中文翻译：Unknown
同义词：
['activity', 'activity', 'activity例句：1. The team is working hard to improve their activity level.（团队正在努力提高他们的活动水平。）2. She has a lot of activity in her spare time.（她在业余时间有很多活动。）']
例句：
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1. The team is working hard to improve their activity level.
团队正在努力提高他们的活动水平。
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2. She has a lot of activity in her spare time.
她在业余时间有很多活动。
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3.The new project has a high activity level.
新项目具有较高的活动水平。