so he can concentrate with them on keeping fit and healthy. 所以它要做的只是保证它们健康精壮
until now the land between them has been reduced to spires and pinnacles. 直到把其间的土地削凿成 今天这样的尖峰和石塔
The blasting sand will eventually eliminate them altogether. 强悍的风沙最终将使它们完全消失
Reptiles have armoured scaly skins that protect them from the stinging grains. 爬行动物的皮肤覆盖着鳞甲 能抵御刺痛的沙粒
With no cloak of vegetation to conceal them 由于没有植被覆盖
In all of them life manages somehow to keep a precarious hold. 在所有沙漠中 生命总能以某些方式闪现
And there was mile after mile of them. 它们绵延不绝
and this gives them something to aim at. 这也给了它们瞄准目标的机会
divers carry with them a spool of string. 潜水员必须随身携带一捆轴线