首页英语词典pyramidpyramid英英释意

pyramid

英 ['pɪrəmɪd] 美['pɪrəmɪd]
  • n. 金字塔;角锥体
  • vi. 渐增;上涨;成金字塔状
  • vt. 使…渐增;使…上涨;使…成金字塔状

英英释意


1. a polyhedron having a polygonal base and triangular sides with a common vertex
2. (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