"two by four"的定义和意义

What is a "two by four"?

A two by four is a standard size of lumber commonly used in construction, typically measuring two inches thick and four inches wide, although the actual dimensions may be slightly smaller due to finishing processes. This type of lumber is often used for framing walls, floors, and roofs, providing structural support for buildings. Two by fours are versatile and easy to work with, making them popular for various applications, including furniture and cabinetry. They are available in different wood types and grades, allowing builders to choose the best option based on strength, appearance, and budget.