| 词汇 | essential |
| 词根词缀 | 词源： mid-14c., "that is such by its essence," from L.L. essentialis, from essentia (see essence). Meaning "pertaining to essence" is from late 14c., that of "constituting the essence of something" is from 1540s; that of "necessary" is from 1520s. 词根记忆： a. 本质的,基本的;净化的n.本质;要素Initially I kept silent to the essential essay.起初我对这个重要的短评保持沉默. |
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