one of the few sounds in this otherwise silent realm. 是那个原本寂静的世界中 为数不多的声音之一

12. On land, conditions were even worse.
    陆地上的情况更糟
13. Volcanoes had been erupting for millions of years.
    火山已经喷发了数百万年
14. Their explosive power,
    其爆♥炸♥声
15. one of the few sounds in this otherwise silent realm.
    是那个原本寂静的世界中 为数不多的声音之一
16. With the world made up of nothing but toxic air and rivers of molten rock...
    当时的世界只有 有毒气体和熔岩河流
17. life as we know it was impossible.
    我们所知的生命不可能存在
18. But out in the prehistoric seas,
    但是在史前的海洋中

来自《我们星球上的生命 第一季 第二集 Life on Our Planet S01E02 第一前线》第 15 行