长途徒步证明是有益的，让他在数周的压力之后重新理清了思绪。
The long hike proved salutary, clearing his mind after weeks of stress.
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解释
有益的、对身心有好处的（户外运动语境）
The long hike proved salutary, clearing his mind after weeks of stress.
有益的、对身心有好处的（户外运动语境）