so big a jumbo jet could fly through it. 大到可以通过一架大型喷气式客机

63. creating a maze of caverns and passages
    形成了迷宫般的溶洞和通道
64. that sometimes go on for miles.
    有的甚至深达数英里
65. This is the biggest underground river passage in the world,
    这是世界上最大的地下河通道
66. so big a jumbo jet could fly through it.
    大到可以通过一架大型喷气式客机
67. It's Deer Cave, in Borneo.
    它就是婆罗洲的鹿洞
68. The sheer size of Deer Cave
    鹿洞的容量很大
69. allows some animals to gather there in huge numbers.
    使得大批动物到此聚集

来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 66 行