It's Deer Cave, in Borneo. 它就是婆罗洲的鹿洞 The sheer size of Deer Cave 鹿洞的容量很大 allows some animals to gather there in huge numbers. 使得大批动物到此聚集 A staggering 3 million wrinkle-lipped bats live here. 这里住着数量惊人的300万只犬吻蝠 The bats roost high on the ...
The sheer size of Deer Cave 鹿洞的容量很大 allows some animals to gather there in huge numbers. 使得大批动物到此聚集 A staggering 3 million wrinkle-lipped bats live here. 这里住着数量惊人的300万只犬吻蝠 The bats roost high on the walls and ceilings 这些蝙蝠倒挂在洞壁和天顶上 where th...
making it mildly acidic. 成为弱酸性 And over millions of years this acid eats away the limestone 石灰岩经过几百万年的酸蚀作用 creating a maze of caverns and passages 形成了迷宫般的溶洞和通道 that sometimes go on for miles. 有的甚至深达数英里 This is the biggest underground river ...
And over millions of years this acid eats away the limestone 石灰岩经过几百万年的酸蚀作用 creating a maze of caverns and passages 形成了迷宫般的溶洞和通道 that sometimes go on for miles. 有的甚至深达数英里 This is the biggest underground river passage in the world, 这是世界上最大的地...
creating a maze of caverns and passages 形成了迷宫般的溶洞和通道 that sometimes go on for miles. 有的甚至深达数英里 This is the biggest underground river passage in the world, 这是世界上最大的地下河通道 so big a jumbo jet could fly through it. 大到可以通过一架大型喷气式客机 It's Deer ...
that sometimes go on for miles. 有的甚至深达数英里 This is the biggest underground river passage in the world, 这是世界上最大的地下河通道 so big a jumbo jet could fly through it. 大到可以通过一架大型喷气式客机 It's Deer Cave, in Borneo. 它就是婆罗洲的鹿洞 The sheer size of Deer Cav...
Once underground, 一旦进入地下 the water takes on a new, more erosive power. 水便有了一股新的、更强的侵蚀力 During its journey from the surface 在地面上流淌时 the water absorbed carbon dioxide from the soil 水从土壤中吸收了二氧化碳 making it mildly acidic. 成为弱酸性 And over millions...
the water takes on a new, more erosive power. 水便有了一股新的、更强的侵蚀力 During its journey from the surface 在地面上流淌时 the water absorbed carbon dioxide from the soil 水从土壤中吸收了二氧化碳 making it mildly acidic. 成为弱酸性 And over millions of years this acid eats ...
During its journey from the surface 在地面上流淌时 the water absorbed carbon dioxide from the soil 水从土壤中吸收了二氧化碳 making it mildly acidic. 成为弱酸性 And over millions of years this acid eats away the limestone 石灰岩经过几百万年的酸蚀作用 creating a maze of caverns a...
the water absorbed carbon dioxide from the soil 水从土壤中吸收了二氧化碳 making it mildly acidic. 成为弱酸性 And over millions of years this acid eats away the limestone 石灰岩经过几百万年的酸蚀作用 creating a maze of caverns and passages 形成了迷宫般的溶洞和通道 that sometimes go o...