在这本书里我知道了好多的天文与地理知识，为什么死海淹不死人？
I know a lot about astronomy and geography in this book. Why can't the Dead Sea drown people?
死海气候干燥炎热，流进湖中的河水不断被蒸发掉，却把盐留下来。
The climate of the dead sea is dry and hot, and the water flowing into the lake is constantly evaporated, but the salt is left behind.
天长日久，湖水中的盐分越来越多，甚至比海水的含盐量还要大好多倍，人体的密度远运小于死海的的湖水密度，所以就会漂浮在水面上。
For a long time, the salt in the lake water is more and more, even many times higher than the salt content of the sea water. The density of human body is far less than that of the dead sea, so it will float on the water surface.
我以后会多读书，了解很多知识。
I will read more books and know a lot of knowledge in the future.