Hawaii, Oregon and Washington state already impose similar bans.

夏威夷州、俄勒冈州和华盛顿州已经实施了类似的禁令。

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The formations in discussion are part of the Juan de Fuca Plate, and are close to 10, 000 feet below the ocean off of the coast of Oregon and Washington.

研究中的岩石是在俄勒冈州和华盛顿州沿海近1万英尺的海底，the Juan de Fuca Plate（皇安德富卡板块）的一部分。

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Forming much of the border between the states of Oregon and Washington, the Columbia river is the largest North American river, by volume, that flows into the Pacific Ocean.

流入太平洋的哥伦比亚河构成了俄勒冈州与华盛顿州大部分的州界，以流量计它是北美最大的河流。

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Such timber from the forests of Oregon and Washington was sold in California and Mexico, even in China and Hawaii.

VOA: special.2009.05.28

And we're going to South Dakota and Oregon and Washington and then we're going to Washington, D.

NPR: Sunshine State Smiles on McCain

Now they have 50 locations across Oregon and Washington--including a few hotels, theaters and restaurants.

FORBES: Magazine Article

Many of the big sawmills in Oregon and Washington state have been forced to close.

NPR: Economy Whittles Pacific Northwest Timber Industry