she is faced with a vertical drop, 而是垂直陡峭的墙壁

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
195. But instead of an easy climb down a tree,
     可脚下不是方便攀爬的树干
196. she is faced with a vertical drop,
     而是垂直陡峭的墙壁
197. with little to cling onto.
     几乎没有着力点
198. Her baby's first glimpse of the urban world,
     浣熊宝宝第一次看到城市世界
199. from a terrifying 30 feet up.
     却是在惊悚的九米高空

来自《行星地球 第二季 第六集 Planet Earth S02E06 城市》第 196 行