| 词汇 | pyramid |
| 词根词缀 | 词源： 1550s (earlier in L. form piramis, late 14c.), from Fr. pyramide (O.Fr. piramide, 12c.), from L. pyramides, pl. of pyramis "one of the pyramids of Egypt," from Gk. pyramis (pl. pyramides), apparently an alteration of Egyptian pimar "pyramid." 词根记忆： n. 金字塔Families are at the base of a socio-economic pyramid.家庭是社会经济金字塔的基础. |
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