n.金字塔；角锥状物；vt.使…成塔尖形；使…节节建立；使…上涨；vi.成金字塔状；渐增；连续投机； 变形： 复数：pyramids 英英释义： pyramid[ 'pirəmid ]n.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 holdi