developing a range of heightened senses 发展出一系列敏锐的感官

14. For the most part, they were small, keeping to the trees...
    在大部分情况下 它们都很小 在树上栖息
15. away from the giants.
    远离巨兽
16. They became nocturnal,
    它们变成了夜行性动物
17. developing a range of heightened senses
    发展出一系列敏锐的感官
18. that helped them in the dark.
    帮助它们在黑暗中生存
19. Under the dinosaurs' rule,
    在恐龙的统治之下
20. there was a limit to how far they could rise.
    它们的崛起受到限制

来自《我们星球上的生命 第一季 第七集 Life on Our Planet S01E07 地球继承者》第 17 行