目的：观察冬季野外训练期间战士细胞免疫功能的变化。

AIM:To observe the changes of the cell immunological function in soldiers during field training in winter.

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目的：观察冬季野外训练前后战士心理和免疫功能的变化，并探讨两者之间的关系。

AIM: To observe the changes of the psychological health and immunological function in soldiers before and after the winter training in open country, and investigate the association between them.

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我打点起行囊，把它们装进一辆小面包车内，便上路向科罗拉多进发，去作一名野外训练项目教练。

I packed my stuff into a U-Haul and headed to Colorado to become an instructor at Outward Bound, the wilderness-education program.

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