a long bar or beam which is fixed at only one end to a vertical support and is used to hold a structure such as an arch , bridge or shelf in position
发音
例句
1. The idea of cantilever construction has been carried out in ancient Orient. 在古代东方就已实行过悬臂施工。 2. The structure consists basically of two cantilever beams. 这种结构基本上由两根悬臂梁组成。