a polyhedron having a polygonal base and triangular sides with a common vertex
(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
a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
Verb:
enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
use or deal in (as of stock or commercial transaction) in a pyramid deal
arrange or build up as if on the base of a pyramid
increase rapidly and progressively step by step on a broad base
例句
用作名词 (n.)
Egypt is famous for its grand pyramid. 埃及以巨大的金字塔闻名。
Lagrange is the lofty pyramid of mathematical sciences. 拉格朗日是数学科学中高耸的金字塔。
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。
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.