off-reservation boarding school是什么意思_off-reservation boarding school的意思_off-reservation boarding school的翻译_off-reservation boarding school怎么读_off-reservation boarding school的音标_off-reservation boarding school的发音_off-reservation boarding school翻译器_off-reservation boarding school的短语_off-reservation boarding school速记技巧_off-reservation boarding school的近义词_off-reservation boarding school的反义词_off-reservation boarding school的双语例句