纳米比亚小甲虫的雾中取水秘诀
The Namib Desert is in Africa. It is very dry. Almost no rain falls there. But a small black beetle lives in the sand. How does it get water?
Every morning, fog comes from the Atlantic Ocean. The fog moves over the desert. The beetle climbs to the top of a sand dune. It stands still and lifts its back. Its back has many tiny, round bumps. The bumps are not smooth. They help catch the water drops from the fog.
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