Now, we geologists thought we had a pretty good idea of how the Grand Canyon in the southwestern United States was formed.
现在，我们地质学家自认为对美国西南部大峡谷的形成有了很好的认识。
Two geologists discovered that about half of the sand from the Grand Canyon was actually once part of the Appalachian Mountains.
两位地质学家发现，约半数的来自大峡谷的沙子实际上曾经是阿巴拉契亚山脉的一部分。
In 1996, scientists caused an experimental flood of the Colorado River by releasing water from Glen Canyon Dam above the Grand Canyon.
1996年，科学家从大峡谷上方的格伦峡谷大坝放水，造成科罗拉多河实验性洪水。
That's really eye-opening news, since the Appalachian Mountain Range is, of course, thousands of kilometers to the east of the Grand Canyon.
这真是个让人大开眼界的消息，因为阿巴拉契亚山脉当然在大峡谷以东数千公里处。
For the more adventurous, we offer rewards beyond mere sightseeing—from a three-day hike across the Grand Canyon to a ride along China's Yangtze River.
对于更喜欢冒险的人，我们提供了除纯粹的观光以外的奖励——从大峡谷三天徒步旅行到沿长江骑行。
Because of this, this new way of doing Uranium-Lead Dating, we've been able to determine that one of our major assumptions about the Grand Canyon was wrong.
因为有这种新的铀铅定年方法，我们才得以确定我们对大峡谷的一个主要假设是错误的。
Grand Canyon of the Yellowstone.
黄石公园的大峡谷。
The tourists feast their eyes on the Grand Canyon.
游客们尽情欣赏大峡谷的景色。
I enjoyed the drive west, including a visit in the Grand Canyon.
我开车往西行驶，一路上感到很愉快。我还对“大峡谷”浏览了一番。
Instead of sleeping in your bed, sleep on a bus on the way to the Grand Canyon.
与其睡在床上，不如睡在往大峡谷路上的巴士上。
Just beneath its equator is a truly grand canyon that also sets a solar system record.
它的赤道之下即是创太阳系之最的大峡谷。
The Yarlung Zangbo Grand Canyon is one of the deepest and longest canyons in the world.
雅鲁藏布大峡谷是世界上最深最长的峡谷之一。
You say something like, “I can hardly wait to tell you about my trip to the Grand Canyon.”
你发起一个话题，比如：“我等不及要告诉你我的大峡谷之旅”。
Looking at some of the photos, you feel like you're flying over the Grand Canyon or the Sahara.
看其中的一些图片，你会觉得自己正在飞越大峡谷或撒哈拉沙漠。
Almost everyone knows a 75-year-old who sky-dives, hikes the Grand Canyon or runs a family business.
几乎每个人都接触过75岁还跳伞、徒步穿越科罗拉多的大峡谷，或是经营家族企业的人。
The Grand Canyon is one of the natural wonders of the Earth, located in Arizona in the United States.
大峡谷位于美国的亚利桑那州，是地球上的自然奇观之一。
A dramatic cloudburst releases jagged bolts of lightning deep into the Grand Canyon near Point Sublime.
突发的倾盆大雨向崇敬角附近的大峡谷深处释放了一道锯齿状闪电。
WHEN it comes to computing power, the gap between Africa and the broadband world is still a Grand Canyon.
当涉及到数据处理能力时，非洲同宽带世界的差距就如同一个大峡谷。
The dam binge was particularly acute in the arid West, where even the Grand Canyon was slated for flooding.
大坝热在干旱的西部地区特别厉害，而那儿甚至大峡谷也因洪水而被规划。
The temporary ban was meant to slow a flurry of new uranium mining operations planned near the Grand Canyon.
这个临时禁令也意味着新一轮的铀矿开采计划将放缓。
So, today, we decided it would be fun to take a visual trip through the Grand Canyon with these majestic photographs.
所以今天我们决定做一次视觉旅行，来欣赏一下雄伟壮观的大峡谷照片。
The crowded overlooks should be experienced, but don't stop there. For me, the Grand Canyon is the “unsolvable puzzle.
全景俯瞰必不可少，但不能局限于此，对我来说大峡谷仍是一个“未解之谜”。
That night I flew to the Grand Canyon, staying at the El Tovar Hotel in a room with a balcony right on the canyons edge.
当夜，我飞往大峡谷，所住阿尔托瓦尔酒店房间的阳台就在大峡谷的边缘。
When one visits the Grand Canyon, they are literally looking into the past, and seeing the layers of rock from past eras.
当游客来游览大峡谷时，他们实际上是在回顾历史，观察过去时代形成的各种岩层。
Grand Canyon Skywalk is a tourist attraction along the Colorado River on the edge of the Grand Canyon in Arizona, U.S.A..
科罗拉多大峡谷U形透明玻璃悬空天桥是美国亚利桑那州科罗拉多河上的一处旅游景点。游客可站在高空中俯瞰大峡谷的风光，看着科罗拉多河在脚下奔流，过足“天行者”的瘾。
A natural wonder of the world, the Grand Canyon is 1,500 meters deep and more than 20 kilometers wide by 150 kilometers long.
作为世界上的一大自然奇迹，大峡谷有1500米深，超过20公里宽、150公里长。
In this winter shot of the Grand Canyon by Michael Nichols, it is the single touch of sunlight that makes the photograph work.
迈克尔·尼克斯在冬天拍摄了这张大峡谷的照片，出彩的地方就是阳光照亮的那一点。
The Colorado River flows through the Grand Canyon. The Canyon offers a lot of information about the physical history of Earth.
科罗拉多河流经大峡谷，大峡谷向我们提供了许多有关地球自然历史的信息。
No matter how many Coca-colas you guzzle, you won't be able to chase down a cheetah or leap the Grand Canyon in a single bound.
不管你狂饮多少瓶可口可乐，你不可能追逐印度猎豹或纵身一跃就飞过科罗拉多大峡谷。
No matter how many Coca-colas you guzzle, you won't be able to chase down a cheetah or leap the Grand Canyon in a single bound.
不管你狂饮多少瓶可口可乐，你不可能追逐印度猎豹或纵身一跃就飞过科罗拉多大峡谷。
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