in的用法和例句如下

1. Jane:I was in the summer camp.

简：我在夏令营度假。

2. I will take part in the summer camp to Qingdao.

我会参加去青岛的夏令营活动。

3. Tag: I will take part in the summer camp to Qingdao.

我会参加去青岛的夏令营活动。

at的用法例句如下

1. Did you learn any new skill at the summer camp?

你在夏令营里有学习到什麽新的技能吗？

2. After eight weeks at the summer camp the boys formed a sense of camaraderie.

在夏令营八个星期下来这些男孩子建立了一种同甘共苦的友情。

3. After the summer camp at the orphanage, I was on my way to visit friends in Beijing.

参加了福利院的夏令营后，我前往北京去看几个朋友。