1. 二者都是程度副词,使用的语义范围略有不同可以看看它的意思差别:exactly:解释意思:used to emphasize that something is the same or different [= precisely]:例句:That's exactly what we've been trying to tell you.Kevin's teachers saw him as quiet and serious, but with his friends he was exactly the opposite.completely:to the greatest degree possible [= totally]...