长方体是RectangularPrism还是cuboid

Retangular Prism是直角棱镜的意思，它只有在数学立体几何中才指长方体。

Retangular Prism:直角棱镜

①A rectangular prism has six faces.一个直角棱镜有六个面。 It is similar to a cuboid.
它相似一个长方体。
It also has 12 edges.
它也有12个边。
This is one of the most basic concepts in solid geometry.
这是立体几何中Z基本的概念。

②A rectangular prism has 6 faces， 8 vertices and 12 edges.
一个直角棱镜有6个面，8条棱，12条边。
③What is a face of a rectangular prism ？什么是直角棱镜的面？
A face is a "side".
一个面就是一边，一侧
Rectangular prisms have 6 faces.
直角棱镜有六个面。
Opposite faces of a rectangular prism are equal and parallel.
相对面等大且平行。
④What is a Rectangular Prism?
A rectangular prism is a cuboid or box shaped object.
直角棱镜是长方体或者盒子形状的物体。
A rectangular prism has six sides.
一个直角棱镜有六个面
All the angles are right angles.
所有的角都是直角。
It also has the same cross section along a length.

Retangular Prism
直角棱镜；[数] 矩形棱柱；长方柱