不及物动词

名词

1. 金字塔
Pyramids are ancient stone buildings with four triangular sloping sides. The most famous pyramids are those built in ancient Egypt to contain the bodies of their kings and queens.

2. 角锥体；棱锥体
A pyramid is a shape, object, or pile of things with a flat base and sloping triangular sides that meet at a point.

3. 金字塔式结构（或组织、体系）
You can describe something as a pyramid when it is organized so that there are fewer people at each level as you go towards the top.

1. (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

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