primary source
noun/ˈpraɪməri sɔːs/
/ˈpraɪmeri sɔːrs/
- a document, etc. that contains information obtained by research or by observing somebody/something carefully, not taken from other books, etc.
compare secondary source第一手资料;(通过研究或观察等获得的)直接材料
单词 | primary-source |
释义 | primary sourcenoun/ˈpraɪməri sɔːs/ /ˈpraɪmeri sɔːrs/
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