孩子们通过参与一系列的户外活动可以接近大自然。

Children can get close to nature by taking part in a series of outdoor activities.

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稍后受试者又浏览了一系列完全不同的图片，并被要求将其分类为户内或户外。

Later, the participants viewed a series of completely new pictures (all different) and again were asked to classify them as either "indoor" or "outdoor."

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这片场地之前曾经被一组20世纪早期的建筑占据，由一系列的八座房子组成，包括马厩、一个健身房、一个温室和一个户外游泳池。

The site had previously been occupied by an early 20th-century house made up of a series of eight buildings, including stables, a gym, a greenhouse and an outdoor swimming pool.

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