- almost totally devoid of water is truly remarkable.
生物多样性如此之高 确实令人惊叹 - Success in the desert
在沙漠中成功存活 - depends on an extraordinary variety of survival strategies
依靠的是数百万年进化而来的 - that have evolved over millions of years.
非凡多样的生存策略 - But our planet is changing.
但我们的地球正遭受着变故 - The world's deserts are growing bigger, hotter and drier,
世界沙漠的面积在扩大 温度更高 更加干燥 - and they're doing so faster than ever before.
而且在以史无前例的速度变化着
that have evolved over millions of years. 非凡多样的生存策略
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