pyramid
n
1 structure with a flat square or triangular base and sloping sides that meet in a point at the top, esp one of those built of stone by the ancient Egyptians as tombs 金字塔(尤指古埃及的).
2 (esp in geometry) solid figure of this shape with a base of three or more sides (尤指几何学中的)锥体. =>illus at cube 见 cube 插图.
3 thing or pile of things that has the shape of a pyramid 金字塔形之物或一堆东西
a pyramid of tins in a shop window 商店橱窗中摆成金字塔形的罐头.
Twenty or thirty pages of information handed to any of the major world powers around the year 1925 would have been sufficient to change the course of world history.