noun 下载 🔗分享 纵梁,桁条。 A thin strip of wood or metal, to which the skin of an aircraft is fastened. Examples : "The aircraft's aluminum skin was riveted to the longerons, providing structural support to the wing. " 这架飞机的铝制蒙皮用铆钉固定在纵梁上,为机翼提供结构支撑。 material technical vehicle machine part structure building industry 与AI对话词汇游戏阅读练习