had left many of Earth's great habitats free for the taking. 使地球上许多重要的栖息地 变得唾手可得

252. in a completely new way.
     重新占领了森林
253. But becoming small wouldn't work in every part of the planet.
     但变小并不适用于地球的每一个地方
254. The death of the dinosaurs
     恐龙的灭绝
255. had left many of Earth's great habitats free for the taking.
     使地球上许多重要的栖息地 变得唾手可得
256. None more so than the plains.
     平原尤其如此
257. And in early South America, 46 million years after the asteroid,
     在早期的南美 小行星撞击的4600万年后
258. ground-dwelling birds had the space
     居住在地上的鸟类有了空间

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 255 行