“横档”的拼音为：héng dàng...

他用脚踩住最底下的横档稳住梯子。He put his foot on the bottom rung to keep the ladder steady.我纵身跳到梯子上，摸索着下一根横档。I swung myself onto the ladder and felt for the next rung.他在栏板上打洞以便装上横档.He was holing the fence posts to take the crosspieces...

“横档”的英语可以翻译为：ledge，rail, waiepiece，yoke，barre，crosspiece ...