And so desert plants have evolved ways to stay hydrated, including sporting tiny leaves to reduce the surface area exposed to the sun's water-zapping rays.
因此这些沙漠植物进化出保持水分的各种方式，包括长着极其细小的叶子以缩减暴露在炎炎烈日中的面积。
The sand ground temperature is higher obviously than clay straw barrier ground and the leaf surface of natural desert plants under the same conditions of sunlight, time and the area.
在同一地区约同一时间相同的日照下，沙面温度明显高于粘土、麦草沙障表面和沙生植物叶面温度。
The sand ground temperature is higher obviously than clay straw barrier ground and the leaf surface of natural desert plants under the same conditions of sunlight, time and the area.
在同一地区约同一时间相同的日照下，沙面温度明显高于粘土、麦草沙障表面和沙生植物叶面温度。
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