By midday the radiation is so intense they must take shelter. 到了正午 太阳的炙焰 迫使它们不得不寻找庇荫处

90. Soon the heat will reach a critical point.
    热度很快就会达到临界点
91. Any kangaroo out in the open is in serious danger of overheating.
    任何一只呆在外面的袋鼠 都将面临中暑的威胁
92. 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℃
93. By midday the radiation is so intense they must take shelter.
    到了正午 太阳的炙焰 迫使它们不得不寻找庇荫处
94. In the shade they're shielded from much of the sun's energy
    在树荫下 它们虽然避开了太阳的能量
95. but their body temperature can still rise.
    但它们的体温仍在升高
96. So they lick saliva on to their forearms
    所以它们将唾液抹在前臂上

来自《行星地球 第一季 第五集 Planet Earth S01E05 沙漠》第 93 行