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pyramid

英/pˈɪɹɐmˌɪd/

美/ˈpɪɹəmɪd/

01n.

角锥, 金字塔

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

02v.

(使)成金字塔状, (使)渐增, (使)上涨

enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts