were the redwoods. 红杉 Sheltered beneath the forests 在森林的庇护之下 was a group of warm-blooded animals 有一群温血动物 that had long hidden in the shadows. 长♥期♥隐藏在阴影之中 The mammals. 哺乳动物 At first, they were small creatures, 起初 它们是小型生物 similar to voles. 与田鼠相仿 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 197 行