just one month old. 它们只有一个月大

197. The dense grass in turn provides this female
     茂密的草丛反过来为这只雌性鬃狼
198. with a comfortable home...
     提供了一个舒适的家
199. ..and somewhere to hide her three puppies,
     以及一个可以隐藏三只刚出生幼崽的地方
200. just one month old.
     它们只有一个月大
201. She is so rare that she's been fitted with a radio-collar
     鬃狼过于罕见 因此这只雌性鬃狼被戴上了无线电项圈
202. so that scientists can study her continuously.
     方便科学家进行持续的研究
203. And our remotely controlled "den camera" reveals a mother
     根据我们的遥控"巢穴摄像机"显示

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 200 行