以强化副词really与actually为核心词,分析其在BNC学术书面子语料库中的语义序列特点以及语义差异。研究表明它们在医学/工程技术、自然科学子语料库中的使用频率和特点区别于法律/教育、社会科学等人文学科语料库;“really/actually+v”是学术书面语料中最常用序列,而且各序列之间存在着明显的语义差别。 With the adverbs really and actually as the core words, this paper analyzes the semantic sequence features and semantic differences in the BNC academic subtext corpus. Studies have shown that the frequency and characteristics of their use in the medical / engineering technology, natural science corpus are different from those in the humanities such as law / education and social sciences; “really / actually + v” is the most commonly used sequence in academic corpus, And there is a clear semantic difference between the sequences.