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Verb:
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add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing;
"She elaborated on the main ideas in her dissertation"
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Winter-flies..crawl out..to expatiate in the sun.
出于: J. R. Lowell
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上信息獨家原創,受論著權維護,抄襲必究
海詞辭典,十八年高端品牌