Now, her young have outgrown their nursery. 现在 这些宝宝们住不下了

188. and this mother raccoon has exchanged her native treetops for rooftops.
     这只浣熊妈妈的家 从树顶换成了屋顶
189. Since giving birth two months ago,
     两个月前她产下的幼崽
190. she's kept her offspring safe and warm inside a chimney.
     被她放在烟囱里 那里温暖又安全
191. Now, her young have outgrown their nursery.
     现在 这些宝宝们住不下了
192. This is her first major challenge as a mother.
     这是当妈妈的第一个大挑战
193. The time has come to move to a new home.
     搬新家
194. She needs to get her youngster to ground level.
     她得把孩子们从屋顶带下来

来自《行星地球 第二季 第六集 Planet Earth S02E06 城市》第 191 行