previously怎么念

previously怎么念 previously神马 美剧的一开始都会说previously on XXX 的,可是previously是一个副词,请问该怎么理解这里的pre previous和previously怎么区别 他们都可以当副词啊 previously connected什么意思 in advance beforehand previously区别 previously与formerly的区别? 英语翻译As previously discussed concerning hydrogenation anddeco previous to meeting还是previously to meeting? previously on prison break 合乎语法吗? previously和previous的几点问题 英语previously有没有那时的意思