三个年龄组。白衣红裤是leaders 大学生，红衣蓝裤是高中志愿者，白衣蓝裤是campers。

来源: Rockeymountain 于 2018-08-09 15:26:03 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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