日常大家会接触到各种几何图形，大伙在描述物体的时候会用到形容词，那样这类图形如何说呢?譬如正方形的英文说法，直角三角形英语的表达方法都是什么呢?它们可不是数学课上的专用，它们的英文说法大家也要知道。
01
A square has four right-angles. Its four sides are all the same length.
正方形有四个直角。它的四条边都一样长。
02
A rectangle has four right-angles. It has two long sides and two shorter sides.
长方形有四个直角。它有两条长边和两条短边。
Something that has the shape of a rectangle is rectangular.
长方形形状的英文是rectangular。
03
A circle is round. It has no angles. Its line is called the circumference. Something that has the shape of a circle is circular.
圆形是圆的。它没角。它的线叫做圆周。有圆的形状的英文是circular。
Half a circle is called a 百度竞价推广i-circle.
半圆叫作百度竞价推广i-circle。
04
A triangle has three sides and three angles. Something that has the shape of a triangle is triangular.
三角形有三条边和三个角。有三角形形状的英文是triangular。
05
An oval is an elongated circle and looks a little like an egg.
椭圆形是一个拉长的圆形，看着有点像鸡蛋。
06
A cube is three-dimensional. It is made of six equal squares.
立方体是三维的。它是由六个相等的正方形组成的。
07
Something that has the shape of a diamond is diamond-shaped.
有菱形形状的是diamond-shaped。
08
Something that has the shape of a star is star-shaped.
五角星形状的是star-shaped
09
An octagon has eight sides.
八边形有八条边。
adjective = octagonal
它的形容词是octagonal
10
Something that has the shape of a heart is heart-shaped.
心形形状的是heart-shaped。
The leaves of a lime tree are heart-shaped.
酸橙树的叶子是心形的。
arrow /'ærəʊ/ 箭头形
cross /krɒs/十字架形
crescent /'kresənt/ 新月状
heart 心形
star 星形
circle 圆形
oval /'əʊvl/ 卵形、椭圆形
square 正方形
cube 立方体
cylinder /'sɪlɪndə/ 圆柱
rhombus /'rɒmbəs/ 斜方形
parallelogram /,pærə'leləɡræm/ 平行四边形
scalene /'skeɪliːn/ triangle 不等边三角形
triangle /'traɪæŋgl/ 三角形
right triangle 直角三角形
pentagon /'pentəɡn/ 五角形
hexagon /'heksəgn/ 六角形
heptagon /'heptəɡən/ 七角形
octagon /'ɒktəgn/ 八角形
nonagon /'nɔnəɡɔn/ 九角形
正方形圆形直角三角形英语的表达方法，大伙是否都知道了解了呢?当然，假如你对英语学习有兴趣，想要深入学习，好了解沪江网校精品课程，量身打造高效好用的个性化学习策略，专用督导全程伴学，扫一扫领200畅学卡。
