软件类别：教育教学\n\n,
软件授权：免费软件\n\n,
运行环境：ios\n\n,
软件语言：英语
\n\n,The Blue Flag is a certification by the Foundation for Environmental Education (FEE) that a beach, marina or sustainable boating tourism operator meets its stringent standards.\n\n
下载地址：iTunes 或者AAP STORE 下载
