At the current rate of habitat destruction, 按照目前的栖息地破坏速度

216. But it's empty.
     但巢穴里空空如也
217. This time, the family were lucky.
     这一次 这一家子鬃狼很幸运
218. But her species faces an alarmingly uncertain future.
     但整个物种正面临着令人担忧的不确定未来
219. At the current rate of habitat destruction,
     按照目前的栖息地破坏速度
220. these may be some of the last maned wolves to survive in the wild.
     这些可能将是最后一批生存于野外的鬃狼
221. In grasslands, the land and the animals
     在草原上 动物与环境的联系十分紧密
222. are so closely interconnected, that the loss of one key species
     以至于哪怕一种关键物种灭亡

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 219 行