the process of mountain formation (especially by the upward displacement of the earth's crust)
orogeny详细解释
o.rog.e.ny n.（名词）The process of mountain formation, especially by a folding and faulting of the earth`s crust.造山运动，造山作用：山脉的形成过程，特别是由于地壳的重叠和断裂造成的 【引伸】 or.ogen.ic or.ogen.ically adv.（副词）
