黄石河飞流直下大峡谷谷底，形成的“下黄石瀑布”落差高达308英尺（94米）——是尼亚加拉大瀑布的二倍。
The Lower Falls of the Yellowstone River drops a stunning 308 feet (94 meters) to the canyon floor below—twice as big as Niagara Falls.
黄石河飞流直下大峡谷谷底，形成的“下黄石瀑布”落差高达308英尺（94米），是尼亚加拉大瀑布的二倍。
The Lower Falls of the Yellowstone River drop a stunning 308 feet (94 meters) to the canyon floor below—twice as far as Niagara Falls.
尼亚加拉瀑布属于重量级——一股巨流全部从悬崖上冲泻下来。从上往下看到的现实景像是瀑布自身的强烈运动在凿峡谷。
Niagara belongs to the heavyweights - where a whole solid river plunges bodily over a cliff the real sight from above is the gigantic movement of the falls themselves, digging the gorge.
GRACE卫星在美国也监测到了同样的地下水消耗，包括西部平原的奥加拉拉含水层和加州中央峡谷地区的地下水大量消耗。
And GRACE has detected similar depletion in the U. S., as well, including the Ogallala Aquifer under the western plains and the groundwater in the California's Central Valley.
GRACE卫星在美国也监测到了同样的地下水消耗，包括西部平原的奥加拉拉含水层和加州中央峡谷地区的地下水大量消耗。
And GRACE has detected similar depletion in the U. S., as well, including the Ogallala Aquifer under the western plains and the groundwater in the California's Central Valley.
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