| 词汇 | quadrangle |
| 词根词缀 | 词源： c.1430, from O.Fr. quadrangle (13c.), from L.L. quadrangulum "four-sided figure," prop. neut. of L. adj. quadrangulus "having four quarters," from L. quattuor "four" (see four) + angulus "angle." The shortened form quad for "quadrangle of a college," is first recorded 1820 in Oxford slang. 词根记忆： 四角形(quadr+angle角)[quadri-,quadru-表示"四"] 词根词缀： quadrangle quadrangle四角形(quadr+angle角) quadri-, quadru-表示”四”quadrangle四角形(quadr+angle角) quadricycle四轮车(quadri+cycle轮子) quadrilateral四边的(quadri+lateral边) |
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