I prayed all the way across中的across是做副词吧?

a way across the river We walked across the street,across是介词还是副词,书上说是介词如果是介词,可walk是 Across the ``````````````` across the 英语：bray across 中的across across stream wound its way across the field请问 its way wound its way across the field its way 去掉可行 the stream wound its way across the field双谓语wound 与across都是动 The river is half a mile across 这个句子中 副词 across 修饰什么? 英语翻译2008-5-12 | I'd love to sail across the Pacific We all d 关于英语句子I'd love to sail across the PacificWe all dream about