Once upon a time, the grand canyon was a sea inhabited by microorganisms. 从前 大峡谷曾经是微生物居住的海洋
Nowhere better than on the walls of Colorado's grand canyon. 阅尽地球的历史变迁
Monica: When you were little, you slept at the Grand Canyon. 你小时候就在大峡谷睡着过。(the Grand Canyon:科罗拉多大峡谷,位于美国亚利桑那州西北部,科罗拉多高原西南部。)
Ross: Hello, Mom and Dad never took us to the Grand Canyon. 爸妈从没带我们去过大峡谷。
Ross: Mom and Dad took us to the Grand Canyon? 难道爸妈带我去过大峡谷吗?
This river has cut the world's longest canyon system - 这条河冲蚀出了世界上最长的峡谷系
that long before the water reaches the base in the Devil's Canyon 在水还未落到恶魔谷底之前