Her puppies won't survive alone for long. 而它的幼崽将难以独自存活

284. Tragically, the researchers discover the body
     不幸的是 研究人员在农田中发现了
285. of one collared mother wolf on farmland.
     戴有项圈的雌性鬃狼的尸体
286. The cause of her death unknown.
     它的死因不明
287. Her puppies won't survive alone for long.
     而它的幼崽将难以独自存活
288. Without delay, the researchers set out to find them.
     事不宜迟 研究人员动身寻找幼狼
289. The puppies are here.
     鬃狼幼崽在这里
290. They rescue five, one-month-old pups,
     他们救出了五只一个月大的幼狼

来自《行星地球 第三季 第三集 Planet Earth S03E03 沙漠与草原》第 287 行