每个为期两周的露营活动结束于一次对华盛顿地区的施行。
During the two-week camp, they study Chinese culture, see changes that have happened in that area, and visit interesting sights.在为期2周的旅途中,他们学习中国文化,参观这一地区发生的巨变,以及风景名胜。
They cleaned up the river as part of a week-long environmental camp.他们清理了这条河,这是为期一周的环保营的一部分。