secondary source
短语[计] 二次文献
词形变化
secondary sources
复数
secondary sources
释义与例句
n.
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1.
A study of past events or a past author written from the perspective of a later period of time; a document that draws on one or more historical primary sources and interprets or analyses them, including documents such as newspapers whose accuracy is open to question.
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2.
A written commentary which discusses previously produced original work of another author, especially a notable author.