| 词汇 | nucleus |
| 词根词缀 | 词源： 1704, "kernel of a nut," 1708, "head of a comet," from L. nucleus "kernel," from nucula "little nut," dim. of nux (gen. nucis) "nut," from PIE *knu(k) "lump" (cf. M.Ir. cnu, Welsh cneuen, M.Bret. knoen "nut," O.N. hnot, O.E. hnutu "nut"). General sense of "central part or thing, about which others cluster" is from 1762. Use in reference to cells first recorded 1831. Modern atomic meaning is 1912, first by Ernest Rutherford, though theoretical use for "central point of an atom" is from 1844, in Faraday. 词根记忆： n. (pl.nuclei)核,核心,原子核These books are regarded as the nucleus of the library.这1000本书被看作是图书馆的核心部分. |
| 随便看 |
英语词根词缀词典收录了31503条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。