Markhor gather for their annual rut. 捻角山羊正在举行年度聚会

173. The peaks here rise so precipitously,
     这里的山峰极为险峻
174. the glaciers are so steep and crevassed
     冰川陡峭易碎
175. that few except the most skilled mountaineers can penetrate these ranges.
     纵使最有经验的登山运动员 也很难征服这些高山
176. Markhor gather for their annual rut.
     捻角山羊正在举行年度聚会
177. Males must fight for the right to breed,
     公羊必须为争夺生育权而战斗
178. but on these sheer cliffs any slip by either animal could be fatal.
     在如此峻峭的崖壁上 哪一方滑倒都有可能直接送命
179. A snow leopard -
     雪豹

来自《行星地球 第一季 第二集 Planet Earth S01E02 山地》第 176 行