he drives the young rival away. 它赶跑了这名年轻的对手

173. 70% of rutting males will die.
     发情期中的雄性羚羊有70%会失去生命
174. The older male eventually begins to gain the upper hand.
     年长的雄羚羊最终开始占据上风
175. And with one final effort,
     最后一击
176. he drives the young rival away.
     它赶跑了这名年轻的对手
177. The king has kept his crown -
     羚羊群之王守住了王位
178. and his harem.
     以及它的眷群
179. Only the strongest saigas can endure and succeed
     只有最强壮的高鼻羚羊才能在这片

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 176 行