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
Its surface is covered by a thick carpet of cockroaches, 地面上爬满了密密麻麻的蟑螂
By ensnaring the insects that hatch in this cave, 通过诱捕洞穴内羽化的昆虫
and then get trapped by the sticky lines. 结果就被这些粘乎乎的丝拿住了
This galaxy of little lights is created by thousands of living creatures. 这“满天星斗”其实是 几千只小动物发出的荧光
For five months of the year it's sealed by an ice sheet over a metre thick. 每年中总有5个月 湖面被1米厚的冰层覆盖
but it's dwarfed by the world's largest lake - 但它远比不上世界上最大的湖泊
by detecting distortions in the electric field they create around their bodies. 它们在身体周围形成电场 并感知其变化
Fastidiously maintained by the males, these bowls are courtship arenas. 雄鱼一丝不苟地维护着坑巢 因为这里正是求爱的场所