音标:[ˈpirəmidz] ;
n. 金字塔( pyramid的名词复数 ); 金字塔形的物体(或一堆东西); 金字塔式的组织(或系统); 棱锥(体)
n a polyhedron having a polygonal base and triangular sides with a common vertex
n (stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases
n a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
v enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
v use or deal in (as of stock or commercial transaction) in a pyramid deal
v arrange or build up as if on the base of a pyramid
v increase rapidly and progressively step by step on a broad base

pyramid的用法和样例:

例句

用作名词(n.)
  1. Egypt is famous for its grand pyramid.埃及以巨大的金字塔闻名。
  2. Lagrange is the lofty pyramid of mathematical sciences.拉格朗日是数学科学中高耸的金字塔。
  3. A pyramid provides a useful conceptual model for organizing scientific knowledge.金字塔给科学知识的组织提供了一个有用的概念性模型。

词汇搭配

  • pyramid selling〈经〉宝塔式销售...
  • hexagonal pyramid六棱锥
  • food pyramid食物金字塔
  • earth pyramid土柱
  • double pyramid对顶棱锥
  • tetragonal pyramid正方锥
  • truncated pyramid截棱锥,斜截棱锥...
  • rhombic pyramid斜方锥
  • population pyramid种群锥体
  • regular pyramid正棱锥
  • pyramid antenna角锥形天线
  • pyramid hardness角锤硬度
  • biomass pyramid生物量金字塔,生物量...
  • square pyramid正方棱锥
  • pyramid carry锥形进位
  • pyramid cut角锥形掏槽,角锥钻眼...
  • energy pyramid能量金字塔
  • inverted pyramid倒金字塔(写作结构)...

经典引文

  • For the mummy of the king..the pyramid had been piled up.

    出自:E. H. Gombrich
  • A man in his forties was to me as old as the pyramids.

    出自:G. Greene
  • Canned goods are piled in mountains, the champagne and wine..are pyramided.

    出自:J. Steinbeck
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2-propanone
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