horizontal beam的用法和樣例：
例句
- The horizontal beam that forms the upper member of a window or door frame and supports the structure above it.
(門(mén)窗的)過(guò)梁構成門(mén)窗上部框架的平行梁木，并支持上面的構架 - The horizontal beam on a cross or gallows.
橫梁十字架或絞架上的水平橫梁 - A horizontal beam, as of steel or wood, used as a main support for a building or bridge.
大梁一水平的鐵制或木制的桁條，用來(lái)作為建筑物或橋梁的主要支撐物
