在英语中，rectangle是指一个有四个直角的四边形，其中对边长度相等的情况下，即为正矩形。
正矩形是一种常见的几何形状，在建筑设计、工程制图、数学和计算机科学等领域中都有广泛应用。
通过使用
标签进行换行，可以方便地进行格式化和组织文字内容。
最少50个字的说明如下：
A rectangle, pronounced as [ˈrɛktæŋɡəl], is a four-sided shape with four right angles. It is a common geometric shape that is extensively used in various fields such as architecture, engineering, mathematics, and computer science. A rectangle becomes a square when all its sides are equal in length.
In architecture, rectangles are frequently used to design rooms, buildings, and other structures. In engineering, they are utilized in creating blueprints and schematics for construction projects. In mathematics, rectangles are studied for their properties such as area, perimeter, and diagonal length. Their symmetrical properties and straight-edge characteristics make rectangles ideal for many purposes.
Computer science also makes extensive use of rectangles. They are commonly utilized in computer graphics and image processing tasks. For example, rectangles are used to define the bounding boxes of objects in image recognition and to create graphical user interfaces with rectangular buttons and windows.
In conclusion, the correct pronunciation of "rectangle" in English is [ˈrɛktæŋɡəl]. This four-sided shape with right angles is widely used in various fields due to its symmetry and practicality. Whether it's in architecture, engineering, mathematics, or computer science, rectangles play a significant role in defining and analyzing shapes and structures.