pyramids

听听怎么读

[ˈpirəmidz]

是什么意思

金字塔( pyramid的名词复数 )；金字塔形的物体（或一堆东西）；金字塔式的组织（或系统）；棱锥（体）

英英释义

pyramid

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 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
  同义词：Great PyramidPyramids of Egypt
v.
- enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
- use or deal in (as of stock or commercial transaction) in a pyramid deal
- arrange or build up as if on the base of a pyramid
- increase rapidly and progressively step by step on a broad base

学习怎么用

词组短语

the great pyramid大金字塔

pyramid scheme金字塔骗局；非法传销

pyramid selling宝塔式销售；金字塔销售法

food pyramid食物金字塔

inverted pyramid倒金字塔（写作结构）

双语例句

用作名词(n.)

Egypt is famous for its grand pyramid.
埃及以巨大的金字塔闻名。
Lagrange is the lofty pyramid of mathematical sciences.
拉格朗日是数学科学中高耸的金字塔。
A pyramid provides a useful conceptual model for organizing scientific knowledge.
金字塔给科学知识的组织提供了一个有用的概念性模型。

权威例句

Framing pyramids
Fast Feature Pyramids for Object Detection
The Emergence of Corporate Pyramids in China
The Emergence of Corporate Pyramids in China
Manipulating image information with pyramids (A)
Transition States Between Pyramids and Domes During Ge/Si Island Growth
Single pyramid magnets: Dy5 pyramids with slow magnetic relaxation to 40 K.
Illuminator assembly with reflective pyramids and liquid crystal display with same
Nonlinear multiresolution signal decomposition schemes--part I: morphological pyramids
Shape transition of germanium nanocrystals on a silicon (001) surface from pyramids to domes

同义词

tapers

p开头的单词