But their path would not be easy. 但它们的道路不会平坦

182. Birds had almost been wiped out with the rest of the dinosaurs.
     鸟类几乎全都与其它恐龙一起灭绝
183. Instead, thanks to their feathery talents,
     然而由于羽毛的天赋
184. they'd have a chance to rise.
     它们有机会崛起
185. But their path would not be easy.
     但它们的道路不会平坦
186. In the aftermath of the asteroid,
     小行星撞击之后
187. global temperatures plunged by a staggering 25 degrees.
     全球气温骤降25度
188. But thanks to their ability to survive the cold,
     但由于能够适应寒冷环境

来自《我们星球上的生命 第一季 第六集 Life on Our Planet S01E06 灰烬中重生》第 185 行