So they lick saliva on to their forearms 所以它们将唾液抹在前臂上
In the full sun the temperature on the ground soars to 70 degrees. 待到阳光最毒辣之时 地面温度已升高至70℃
has had a profound effect on the bodies and habits of everything that lives here. 这对所有生活在这里的动物的 身体和习性都有极其深远的影响
leaving little for the land on the other side. 只有一小部分到达另一边的土地
so they empty their moisture on the mountain slopes, 水汽在山坡上逐渐凝结
one of the rarest mammals on the planet. 一种地球上最稀有的哺乳动物
These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机
A third of the land on our planet is desert. 我们星球上1/3的陆地是沙漠
Extremofile bacteria were found to be feeding on the rock itself. 嗜极细菌在岩壁上自我生长
have to survive on whatever washes into the cave from outside. 必须得吃任何从外边冲进洞内的东西