a 1,000 mile scar clearly visible from space. 在太空中也能清楚地看到 这条长达1000英里的沟壑
is greater than any other stage in a river's life. 在河流扮演的角色中 这才是最主要的
they're still held by a silicon safety line. 它们还有一根坚韧的“安全索”
Its waters drop unbroken for almost a thousand metres. 流水不间断地从将近1000米的高处落下
There is a tropical downpour here almost every day of the year. 这里全年几乎每天都会降下热带暴雨
this is a desperate race against worsening weather. 这是一场与恶劣气候的死亡赛跑