pyramid

'pirәmid
高考考研托福 Collins 1

英文释义

n. a polyhedron having a polygonal base and triangular sides with a common vertex
n. (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
n. a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
v. enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts

中文翻译

n. 角锥, 金字塔
v. (使)成金字塔状, (使)渐增, (使)上涨

1
Collins 星级
7,071
BNC 频率
6,129
使用频率

记忆技巧

pyramid 来源于希腊语“pyramis”，其词根“pyr”意为“火”，可以联想到古埃及金字塔与太阳、火焰的关系。

例句

1. The Great Pyramid of Giza is one of the Seven Wonders of the Ancient World.
吉萨的大金字塔是七大古代奇迹之一。
2. In mathematics, a pyramid has a polygonal base and triangular sides.
在数学中，金字塔有一个多边形底面和三角形侧面。
3. She built a pyramid out of paper for her school project.
她为学校项目用纸做了一个金字塔。

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