vi.详述，细说； 变形： 过去式：expatiated过去分词：expatiated现在分词：expatiating第三人称单数：expatiates 英英释义： expatiate[ ek'speiʃieit ]v.add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing同义词：elaboratelucubrateexpositenla