..but from fire. 而是来自于火灾

206. Now, alone in the den,
     此时 单独留在巢穴中的幼崽
207. her puppies are suddenly in danger.
     突然陷入了危险之中
208. Not from other predators...
     危险并非来自于捕食者
209. ..but from fire.
     而是来自于火灾
210. Their home is being burnt all around them.
     它们的家园燃起了熊熊大火
211. These fires can race through a mile of grassland in a matter of minutes.
     火情可以在数分钟内蔓延至近两公里以外
212. The Cerrado devastated.
     塞拉多草原被摧毁了

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 209 行