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1. The cave fauna is a unique ecosystem that has been untouched by human interference for centuries.
洞穴动物群是一个独特的生态系统，数百年来一直未受人类干扰。
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2. The discovery of this cave fauna has sparked renewed interest in the study of ancient life.
这一洞穴动物群的发现重新激发了人们对古代生命研究的兴趣。
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3. The cave fauna includes a variety of small mammals, reptiles, and amphibiansthat have adapted to the underground environment.
洞穴动物群包括多种适应地下环境的小型哺乳动物、爬行动物和两栖动物。