名词
中文翻译：活力
同义词：
['strength', 'vitality', 'energy']
例句：
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1. The team needs more vigor to compete at the next level.
团队需要更多的活力才能在下一个级别竞争。
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2. He has lost a lot of his old vigor and is struggling to keep up with his work.
他失去了很多旧的活力，正在努力跟上他的工作。
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3. Vigorous exercise can help maintain good health and vitality.
积极的锻炼可以帮助保持健康和活力。