那个是救生员夏令营，已经去过了。这个是个大学的engineering exploration夏令营。

来源: Rockeymountain 于 2019-07-20 07:45:10 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.