| 词汇 | research |
| 词根词缀 | 词源： 1577, "act of searching closely," from M.Fr. recerche (1539), from O.Fr. recercher "seek out, search closely," from re-, intensive prefix, + cercher "to seek for" (see search). Meaning "scientific inquiry" is first attested 1639. Phrase research and development is recorded from 1923. 词根记忆： v. /n.(into,on)研究,调查Early I searched through the earth for earthware so as to research in earthquake.早先我在泥土中搜寻陶器以研究地震. |
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