(The United States Geological Survey has even announced that it will start monitoring these reports as part of its surveillance.)

上面的人都说发生地震了（美国国家地质调查局甚至说接下来Twitter上的信息也将会成为他们地震监测活动的一部分）。

The Arctic holds one-fifth of the world’s undiscovered, recoverable oil and natural gas, the United States Geological Survey estimates.

美国地质调查局估计，北极拥有五分之一全世界未被发现的，可开采的石油和天然气。

That volume is almost as much as the combined annual flows of the Ohio and Susquehanna Rivers, as measured by the United States Geological Survey.

按美国地质调查局测算，该水量几乎相当于俄亥俄河和萨斯奎哈纳河年度流量的总和。