guano. 粪便

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  1. And while they're up here
    它们高悬在洞穴上方时
  2. the bats produce something very important.
    会产生一种非常重要的东西
  3. This hundred metre high mound is made entirely of bat droppings -
    这堆100多米高的东西 全都是蝙蝠的排泄物
  4. guano.
    粪便
  5. Its surface is covered by a thick carpet of cockroaches,
    地面上爬满了密密麻麻的蟑螂
  6. hundreds of thousands of them.
    它们的数量无以为计
  7. Caves are one of the few habitats on Earth not directly powered by sunlight.
    洞穴是地球上少数几种 不直接依赖阳光的生态环境之一

来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 77 行

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