英语词汇“primary source”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

primary sourceˌprimary ˈsource noun [countable]

EXAMPLES FROM THE CORPUS

For these reasons it is often difficult in many cases to trace a single primary source.
Moreover, they saw their primary source of leverage-financial rewards-as less effective with the big producer.
Playing basketball has never been his primary source of income.
The radio is the primary source of information and link to the outside world.
The research involves the use of primary source materials in national and local archives.
Tobacco has collapsed as a primary source of funds.

a document, book etc that contains information that has been obtained from people’s experiences and not taken from other documents, books etc → secondary source

单词	primary source
释义	primary sourceˌprimary ˈsource noun [countable] Examples EXAMPLES FROM THE CORPUS For these reasons it is often difficult in many cases to trace a single primary source. Moreover, they saw their primary source of leverage-financial rewards-as less effective with the big producer. Playing basketball has never been his primary source of income. The radio is the primary source of information and link to the outside world. The research involves the use of primary source materials in national and local archives. Tobacco has collapsed as a primary source of funds. a document, book etc that contains information that has been obtained from people’s experiences and not taken from other documents, books etc → secondary source
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