名词
中文翻译：自然精神
同义词：
['natural energy', 'vitality例句：1. The hikers were filled with natural spirits after a long day of trekking.（经过长时间的徒步后，登山者精力充沛。）']
例句：
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1. The hikers were filled with natural spirits after a long day of trekking.
经过长时间的徒步后，登山者精力充沛。
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2.The old man's eyes sparkled with natural spirits as he shared his stories.
老人的眼睛闪烁着自然的活力，他分享着他的故事。
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3. The new manager brought a sense of natural spirits to the team, inspiring them to work harder.
新任经理给团队带来了一种自然的活力，激励他们更加努力工作。