名词
中文翻译：活动
同义词：
['vigor', 'zest', 'enthusiasm']
例句：
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1. The team's activity level has increased significantly sincethe new manager took over.
自从新经理上任以来，团队的活动水平显著提高。
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2.The student's activity during the examwas impressive.
学生在考试期间的表现令人印象深刻。
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3. The company's activity in themarket has been growing steadily.
该公司在市场上的活动稳步增长。