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单词 secondary-source
释义

secondary source

noun
/ˈsekəndri sɔːs/
/ˈsekənderi sɔːrs/
  1. a book or other source of information where the writer has taken the information from some other source and not collected it himself or herself二手资料 compare primary source
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更新时间:2025/8/25 2:08:09