Environmental groups now have a very good chance of forcing the removal of two major dams, the Glen Canyon Dam on the Colorado and the Hetch Hetchy Dam in Yosemite.

环保组织现在很可能会强制拆除掉两座重要大坝——科罗拉多的格伦峡谷大坝和约塞米蒂的赫奇赫奇大坝。

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Officials in both parties protest that they cannot be expected, in two months, to bridge an ideological canyon that has developed over 40 years.

双方官员辩称，不能指望他们在2个月内迈过之前40余年都无法跨越的思想鸿沟。

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This natural-color image of the lower reaches of Big Thompson Canyon illustrates two of the three natural factors that contributed to the flood's severity: steep terrain and sparse vegetation.

有利于形成这场汹涌洪水的自然因素有三条，这幅大汤普森峡谷下游的自然色图像展示出其中两者：陡峭的地形和稀疏的植被。

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The walls of Black Canyon rise almost two hundred forty-three meters above the river.

VOA: special.2009.08.12

From the canyon floor it reaches two hundred twenty-one meters high.

VOA: special.2009.08.12

Interior Secretary Ken Salazar called for a two-year hold on mining near the Grand Canyon.

WHITEHOUSE: Around Town

For the last two years there has been a Grand Canyon-size gap between facts and fear.

FORBES: Joe the Dumber

Short story about two neighbors in a California canyon, a thirteen-year-old boy, Dill, who lives with his mother, and a Japanese man, Sanjuro, who lives with his wife.

NEWYORKER: Ash Monday