I was about to give up when I saw a pile of small stones jammed under a boulder.

我正打算放弃，忽然看见其中一块圆石下面有一摞石头。

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The researchers, from the National Center for Atmospheric Research in Boulder, Colorado, and elsewhere, were surprised by the size of the effect generated by only a small rise in temperature.

来自科罗拉多博尔德市国家大气研究中心等地的研究者们，对于只要温度小幅升高就能造成的影响感到惊讶。

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You can view them from a wooden deck among the milkwood trees and on the small boulder-strewn beaches.

BBC: Kid-friendly Cape Town

He paid for college and law school at the University of Colorado by leasing and operating small gold mines in the mountains near Boulder.

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